APA (7 वां संस्करण) प्रशस्ति पत्र
Rangwala, S. C. (1977). Principles of railway engineering: A basic text-book for engineering students (6th rev & enl. ed.). Charotar Book Stall.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Rangwala, S. C. Principles of Railway Engineering: A Basic Text-book for Engineering Students. 6th rev & enl. ed. Anand, India: Charotar Book Stall, 1977.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Rangwala, S. C. Principles of Railway Engineering: A Basic Text-book for Engineering Students. 6th rev & enl. ed. Charotar Book Stall, 1977.
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