APA استشهاد

Birkenhager, W. H. (1976). Control mechanisms in essential hypertension. Elsevier.

استشهاد بنمط شيكاغو

Birkenhager, W H. Control Mechanisms in Essential Hypertension. Amsterdam: Elsevier, 1976.

MLA استشهاد

Birkenhager, W H. Control Mechanisms in Essential Hypertension. Elsevier, 1976.