Sandford, A. L. (1956). Nature nots and nations: Being a third year's work with mother nature. Pitman & Sons Ltd.
استشهاد بنمط شيكاغوSandford, Alyee L. Nature Nots and Nations: Being a Third Year's Work with Mother Nature. London: Pitman & Sons Ltd, 1956.
MLA استشهادSandford, Alyee L. Nature Nots and Nations: Being a Third Year's Work with Mother Nature. Pitman & Sons Ltd, 1956.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.