APA (7th ed.) Zitazioa
Osborne, C. G. (1967). The art of understanding yourself ([1st ed.].). Zondervan Pub. House.
Chicago Style (17th ed.) Zitazioa
Osborne, Cecil G. The Art of Understanding Yourself. [1st ed.]. Grand Rapids: Zondervan Pub. House, 1967.
MLA (9th ed.) Zitazioa
Osborne, Cecil G. The Art of Understanding Yourself. [1st ed.]. Zondervan Pub. House, 1967.
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