Yen, T. F. (1999). Environmental chemistry: Essentials of chemistry for engineering practice. New Jersey: Prentice-Hall.
استشهاد بنمط شيكاغوYen, Teh Fu. Environmental Chemistry: Essentials of Chemistry for Engineering Practice. New Jersey: Prentice-Hall, 1999.
MLA استشهادYen, 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%.