খবরিং, ঈ. ও. (1968). Philosophic Inquiry: An Introduction to Philosophy. Prentice-Hall.
Chicago Style (17th ed.) Citationখবরিং, ঈষধৎবহপব ওৎারহম. Philosophic Inquiry: An Introduction to Philosophy. Englewood Cliffs, N.J.: Prentice-Hall, 1968.
MLA (9th ed.) Citationখবরিং, ঈষধৎবহপব ওৎারহম. Philosophic Inquiry: An Introduction to Philosophy. Prentice-Hall, 1968.
Warning: These citations may not always be 100% accurate.