Dyfyniad APA

Adler, R. B., & Proctor, R. F. (2017). Looking out, looking in (Fifteenth edition.). Wadsworth Cengage Learning.

Dyfyniad Arddull Chicago

Adler, Ronald B., and Russell F. Proctor. Looking Out, Looking in. Fifteenth edition. Boston, Massachusetts: Wadsworth Cengage Learning, 2017.

Dyfyniad MLA

Adler, Ronald B., and Russell F. Proctor. Looking Out, Looking in. Fifteenth edition. Wadsworth Cengage Learning, 2017.

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