Dyfyniad APA

SCHAEFER, R. T. (1989). Sociology Richard T. Schaefer; In Collabration With Robert P. Lamn. McGraw-Hill.

Dyfyniad Arddull Chicago

SCHAEFER, Richard T. Sociology Richard T. Schaefer; In Collabration With Robert P. Lamn. McGraw-Hill, 1989.

Dyfyniad MLA

SCHAEFER, Richard T. Sociology Richard T. Schaefer; In Collabration With Robert P. Lamn. McGraw-Hill, 1989.

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