Christensen, K. R. (1999). Instructor's manual to accompany philosophy and choice: Selected readings from around the world. Mayfield Pub.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रChristensen, Kit Richard. Instructor's Manual to Accompany Philosophy and Choice: Selected Readings from Around the World. Mountain View, Calif: Mayfield Pub, 1999.
एमएलए (9वां संस्करण) प्रशस्ति पत्रChristensen, Kit Richard. Instructor's Manual to Accompany Philosophy and Choice: Selected Readings from Around the World. Mayfield Pub, 1999.
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