(2003). A workbook in conservation biology: Solving practical problems in conservation. New York: McGraw-Hill.
استشهاد بنمط شيكاغوA Workbook in Conservation Biology: Solving Practical Problems in Conservation. New York: McGraw-Hill, 2003.
MLA استشهادA Workbook in Conservation Biology: Solving Practical Problems in Conservation. New York: McGraw-Hill, 2003.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.