APA-referens (7:e uppl.)

Citroreksoko, P. S. (1979). Distribution and metabolism of purine alkaloids in the developing fruits of the Liberio-excelsoid group of Coffea. Juris.

Chicago-referens (17:e uppl.)

Citroreksoko, Padmono Sutarno. Distribution and Metabolism of Purine Alkaloids in the Developing Fruits of the Liberio-excelsoid Group of Coffea. Zurich: Juris, 1979.

MLA-referens (8:e uppl.)

Citroreksoko, Padmono Sutarno. Distribution and Metabolism of Purine Alkaloids in the Developing Fruits of the Liberio-excelsoid Group of Coffea. Juris, 1979.