APA (7 वां संस्करण) प्रशस्ति पत्र
Shippey, K. C. (2002). A Short course in international contracts: Drafting the international sales contract for attorneys and non-attorneys (2nd ed.). World Trade Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Shippey, Karla C. A Short Course in International Contracts: Drafting the International Sales Contract for Attorneys and Non-attorneys. 2nd ed. Novato, Calif.: World Trade Press, 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Shippey, Karla C. A Short Course in International Contracts: Drafting the International Sales Contract for Attorneys and Non-attorneys. 2nd ed. World Trade Press, 2002.
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