De Leon, H. N., Dy, E. N., & Pascual, J. (1990). An investigation on recovery techniques for citric acid and acetic acid: A project study. Animo Repository.
استشهاد بنمط شيكاغوDe Leon, Hahnsen N., Emeric N. Dy, و Josephine Pascual. An Investigation On Recovery Techniques for Citric Acid and Acetic Acid: A Project Study. Animo Repository, 1990.
MLA استشهادDe Leon, Hahnsen N., Emeric N. Dy, و Josephine Pascual. An Investigation On Recovery Techniques for Citric Acid and Acetic Acid: A Project Study. Animo Repository, 1990.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.