When referencing New Zealand Standards, include the standard number in brackets after the title. For example:
Standards New Zealand. (Date). Title of standard in italic title case (Standard No. xxxx).
Standards New Zealand. (2010). Land development and subdivision infrastructure (Standard No. 4404).
Examples
Reference list entry
Standards New Zealand. (2010). Land development and subdivision infrastructure (Standard No. 4404).
In-text citations
Narrative
Standards New Zealand (2010) defines ...
Parenthetical
... (Standards New Zealand, 2010).