Do not number your reference list.

Do not use bullet points to list your entries.

The reference list is listed in alphabetical order according to author surname and/or corporate authors/organisations.

List  several works by the same author according to first year of publication.

If you have different works by the same author which share a publication date, arrange it alphabetically according to the title.

Use lower case letters – a, b, c, and also on – after the year and list in parentheses:

Botha, J. (2001a).

Botha, J. (2001b).