Dyfyniad APA

SCHAEFER SUSAN DAVIDSON. (1977). MOTIVATION PROCESS. WINTHROP PUBLISHERS.

Dyfyniad Arddull Chicago

SCHAEFER SUSAN DAVIDSON. MOTIVATION PROCESS. CAMBRIDGE: WINTHROP PUBLISHERS, 1977.

Dyfyniad MLA

SCHAEFER SUSAN DAVIDSON. MOTIVATION PROCESS. WINTHROP PUBLISHERS, 1977.

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