APA (7 वां संस्करण) प्रशस्ति पत्र
Hinkelman, E. G. (2009). A short course in international payments: How to use letters of credit, D/P and D/A terms, prepayment, credit, and cyberpayments in international transactions (3rd ed.). World Trade Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Hinkelman, Edward G. A Short Course in International Payments: How to Use Letters of Credit, D/P and D/A Terms, Prepayment, Credit, and Cyberpayments in International Transactions. 3rd ed. Petaluma, CA: World Trade Press, 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Hinkelman, Edward G. A Short Course in International Payments: How to Use Letters of Credit, D/P and D/A Terms, Prepayment, Credit, and Cyberpayments in International Transactions. 3rd ed. World Trade Press, 2009.
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