Dyfyniad APA

DUFFY, K. G. (2003). Community psychology, 3rd ed. Pearson Education, Inc.

Dyfyniad Arddull Chicago

DUFFY, Karen Grover. Community Psychology, 3rd Ed. Pearson Education, Inc, 2003.

Dyfyniad MLA

DUFFY, Karen Grover. Community Psychology, 3rd Ed. Pearson Education, Inc, 2003.

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