Instituto Brasileiro de Informação em Ciência e Tecnologia

توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Não informado. (1928). Contributions from the Museum of Paleontology. University of Michigan, Museum of Paleontology.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Não informado. Contributions from the Museum of Paleontology. Ann Arbor, Mich: University of Michigan, Museum of Paleontology, 1928.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Não informado. Contributions from the Museum of Paleontology. University of Michigan, Museum of Paleontology, 1928.