توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

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].

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

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.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

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.