APA استشهاد

Ling, N., Burgus, R., & Guillemin, R. (1976). Isolation, primary structure, and synthesis of α-endorphin and γ-endorphin, two peptides of hypothalamic-hypophysial origin with morphinomimetic activity.

استشهاد بنمط شيكاغو

Ling, Nicholas, Roger Burgus, و Roger Guillemin. Isolation, Primary Structure, and Synthesis of α-endorphin and γ-endorphin, Two Peptides of Hypothalamic-hypophysial Origin With Morphinomimetic Activity. 1976.

MLA استشهاد

Ling, Nicholas, Roger Burgus, و Roger Guillemin. Isolation, Primary Structure, and Synthesis of α-endorphin and γ-endorphin, Two Peptides of Hypothalamic-hypophysial Origin With Morphinomimetic Activity. 1976.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.