(1994). Publication manual of the American psychological association. Washington, D. C: American Psychological Association.
استشهاد بنمط شيكاغوPublication Manual of the American Psychological Association. Washington, D. C: American Psychological Association, 1994.
MLA استشهادPublication Manual of the American Psychological Association. Washington, D. C: American Psychological Association, 1994.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.