PMF IAS & Thamminidi, M. Human and Economic Geography: For UPSC and State Civil Services Examinations. PMF IAS.
芝加哥风格引文PMF IAS 与 Manjunath Thamminidi. Human and Economic Geography: For UPSC and State Civil Services Examinations. New Delhi: PMF IAS.
MLA引文PMF IAS 与 Manjunath Thamminidi. Human and Economic Geography: For UPSC and State Civil Services Examinations. PMF IAS.
警告：这些引文格式不一定是100％准确.