APA Edition Citation

Armstrong Robert, G. (1962). Yoruba Numerals. Oxford University Press.

Chicago Edition Citation

Armstrong Robert, G. Yoruba Numerals. New Delhi: Oxford University Press, 1962.

MLA Edition Citation

Armstrong Robert, G. Yoruba Numerals. Oxford University Press, 1962.

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.