APA استشهاد

Sheldon,Sidney. (1991). Rage of angels (1.). Harper Collins Publishers.

استشهاد بنمط شيكاغو

Sheldon,Sidney. Rage of Angels. 1. LONDON: Harper Collins Publishers, 1991.

MLA استشهاد

Sheldon,Sidney. Rage of Angels. 1. Harper Collins Publishers, 1991.