Because this is a legislative Code, it is treated the same as an Act
(Health and Disability Commissioner (Code of Health and Disability Services Consumers' Rights) Regulations 1996).
In your reference list:
Health and Disability Commissioner (Code of Health and Disability Services Consumers' Rights) Regulations 1996. https://www.hdc.org.nz/your-rights/about-the-code/code-of-health-and-disability-services-consumers-rights/
Although in book form, and shelved with the books, MIMS New Ethicals should be treated as a serial because it comes out several times each year.
Then in your reference list
Somatropin. (2020, January–June). MIMS New Ethicals, (32), 255.
(APA Style Expert)
Lippincott Procedures is a medical database that is regularly updated. Therefore it is necessary to include the month and day in the reference.
Note that because this is an academic database, there is no need to include the url.
("Venipuncture, pediatric", 2020).
Venipuncture, pediatric. (2020, May 15). Lippincott Procedures (New Zealand Instance).
Pattern for an article:
(Schaub & Orna, 2018).
Then in your reference list:
For a book, use the normal e-book pattern: