Dyfyniad APA

NACHMIAS CHAVA. (1981). RESEARCH METHODS IN THE SOCIAL SCIENCES (2ND.). EDWARD ARNOLD.

Dyfyniad Arddull Chicago

NACHMIAS CHAVA. RESEARCH METHODS IN THE SOCIAL SCIENCES. 2ND. AUSTRALIA: EDWARD ARNOLD, 1981.

Dyfyniad MLA

NACHMIAS CHAVA. RESEARCH METHODS IN THE SOCIAL SCIENCES. 2ND. EDWARD ARNOLD, 1981.

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