توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Oppong, E. N. W. (1970). Aspects of bovine demodicosis, streptothricosis and besnoitiosis in the Accra plains of Ghana and a study of Demodex Ghanensis sp. n. Univ. of Dublin.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Oppong, E. N. W. Aspects of Bovine Demodicosis, Streptothricosis and Besnoitiosis in the Accra Plains of Ghana and a Study of Demodex Ghanensis Sp. N. Dublin: Univ. of Dublin, 1970.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Oppong, E. N. W. Aspects of Bovine Demodicosis, Streptothricosis and Besnoitiosis in the Accra Plains of Ghana and a Study of Demodex Ghanensis Sp. N. Univ. of Dublin, 1970.