Corey, G. (1990). I never knew I had a choice (4th.ed.). Brooks.
Chicago-viite (17. p.)Corey, Gerald. I Never Knew I Had a Choice. 4th.ed. California: Brooks, 1990.
MLA-viite (9. p.)Corey, Gerald. I Never Knew I Had a Choice. 4th.ed. Brooks, 1990.
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