APA (7th ed.) Zitazioa
Lee, M. W. (1978). How to set goals and really reach them. Horizon House Pub..
Chicago Style (17th ed.) Zitazioa
Lee, Mark W. How to Set Goals and Really Reach Them. Alberta: Horizon House Pub., 1978.
MLA (9th ed.) Zitazioa
Lee, Mark W. How to Set Goals and Really Reach Them. Horizon House Pub., 1978.
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