APA استشهاد

(1972). (The) International encyclopaedia of physical chemistry and chemical physis. Pergamon Press.

استشهاد بنمط شيكاغو

(The) International Encyclopaedia of Physical Chemistry and Chemical Physis. Oxford: Pergamon Press, 1972.

MLA استشهاد

(The) International Encyclopaedia of Physical Chemistry and Chemical Physis. Pergamon Press, 1972.