Khullar, D. R. (2018). Physical, human and economic geography: For civil services examination. G K Publications.
استشهاد بنمط شيكاغوKhullar, D R. Physical, Human and Economic Geography: For Civil Services Examination. New Delhi: G K Publications, 2018.
MLA استشهادKhullar, D R. Physical, Human and Economic Geography: For Civil Services Examination. G K Publications, 2018.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.