APA استشهاد

Bearden, D. (1983). Turtle's sourcebook. Reston Publishing Co..

استشهاد بنمط شيكاغو

Bearden, Donna. Turtle's Sourcebook. Reston: Reston Publishing Co., 1983.

MLA استشهاد

Bearden, Donna. Turtle's Sourcebook. Reston Publishing Co., 1983.