Glenn O Schwab. (1971). Elementary soil and water engineering. New York: John Wiley&Sons, Inc.
استشهاد بنمط شيكاغوGlenn O Schwab. Elementary Soil and Water Engineering. New York: John Wiley&Sons, Inc, 1971.
MLA استشهادGlenn O Schwab. Elementary Soil and Water Engineering. New York: John Wiley&Sons, Inc, 1971.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.