Παραπομπή σε μορφή APA (7η εκδ.)

Grobbelaar, C. S. (1952). The distribution of and correlation between eye, hair, and skin colour in male students at the University of Stellenbosch. [University of Stellenbosch].

Παραπομπή σε μορφή Chicago (17η εκδ.)

Grobbelaar, C. S. The Distribution of and Correlation Between Eye, Hair, and Skin Colour in Male Students at the University of Stellenbosch. Stellenbosch: [University of Stellenbosch], 1952.

Παραπομπή σε μορφή MLA (8th εκδ.)

Grobbelaar, C. S. The Distribution of and Correlation Between Eye, Hair, and Skin Colour in Male Students at the University of Stellenbosch. [University of Stellenbosch], 1952.