APA (7th ed.) Zitazioa
Sell, C. M. (1991). Transitions through adult life. Zondervan Pub. House.
Chicago Style (17th ed.) Zitazioa
Sell, Charles M. Transitions Through Adult Life. Grand Rapids, Mich.: Zondervan Pub. House, 1991.
MLA (9th ed.) Zitazioa
Sell, Charles M. Transitions Through Adult Life. Zondervan Pub. House, 1991.
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