Dyfyniad APA

African Association of science. (1990). Directory of scholarly journals published in Africa: A preliminary survey. Academy Science.

Dyfyniad Arddull Chicago

African Association of science. Directory of Scholarly Journals Published in Africa: A Preliminary Survey. Nairobi: Academy Science, 1990.

Dyfyniad MLA

African Association of science. Directory of Scholarly Journals Published in Africa: A Preliminary Survey. Academy Science, 1990.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.