Verma C.L. (2013). Research in Physical Geography and Earth Science. Swastik Publications.
استشهاد بنمط شيكاغوVerma C.L. Research in Physical Geography and Earth Science. New Delhi: Swastik Publications, 2013.
MLA استشهادVerma C.L. Research in Physical Geography and Earth Science. Swastik Publications, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.