APA-referens (7:e uppl.)

Diki, B. (2013). The shirburnian catastrophe. Langaa Research & Publishing CIG.

Chicago-referens (17:e uppl.)

Diki, Basil. The Shirburnian Catastrophe. Bamenda, Cameroon: Langaa Research & Publishing CIG, 2013.

MLA-referens (9:e uppl.)

Diki, Basil. The Shirburnian Catastrophe. Langaa Research & Publishing CIG, 2013.