Dyfyniad APA

HURLOCK, E. B. (1980). Development psychology: A life-span approach. Tata McGraw-Hill.

Dyfyniad Arddull Chicago

HURLOCK, Elizabeth B. Development Psychology: A Life-span Approach. New Delhi: Tata McGraw-Hill, 1980.

Dyfyniad MLA

HURLOCK, Elizabeth B. Development Psychology: A Life-span Approach. Tata McGraw-Hill, 1980.

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