APA-referens (7:e uppl.)

Não informado. (2000). Philippine Journal of Science. National Science Development Board.

Chicago-referens (17:e uppl.)

Não informado. Philippine Journal of Science. Manila: National Science Development Board, 2000.

MLA-referens (8:e uppl.)

Não informado. Philippine Journal of Science. National Science Development Board, 2000.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.