Dyfyniad APA

MICHAEL D JOHNSON. (2000). Human biology: Concepts and current issues. Addison Wesley Longman.

Dyfyniad Arddull Chicago

MICHAEL D JOHNSON. Human Biology: Concepts and Current Issues. Addison Wesley Longman, 2000.

Dyfyniad MLA

MICHAEL D JOHNSON. Human Biology: Concepts and Current Issues. Addison Wesley Longman, 2000.

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