APA استشهاد

Yen, T. F. (1999). Environmental chemistry: Essentials of chemistry for engineering practice. New Jersey: Prentice-Hall.

استشهاد بنمط شيكاغو

Yen, Teh Fu. Environmental Chemistry: Essentials of Chemistry for Engineering Practice. New Jersey: Prentice-Hall, 1999.

MLA استشهاد

Yen, Teh Fu. Environmental Chemistry: Essentials of Chemistry for Engineering Practice. New Jersey: Prentice-Hall, 1999.

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