KRUZEL, S. L. (1990). Import/export Procedures Sandra L. Kruzel; Frank Reynolds. South-Western Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKRUZEL, Sandra L. Import/export Procedures Sandra L. Kruzel; Frank Reynolds. South-Western Publishing, 1990.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKRUZEL, Sandra L. Import/export Procedures Sandra L. Kruzel; Frank Reynolds. South-Western Publishing, 1990.
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