APA (7th ed.) Zitazioa
Coleman, L. (1984). Beginning a serendipity group: Six sessions to get acquainted. Serendipity House.
Chicago Style (17th ed.) Zitazioa
Coleman, Lyman. Beginning a Serendipity Group: Six Sessions to Get Acquainted. Colorado: Serendipity House, 1984.
MLA (9th ed.) Zitazioa
Coleman, Lyman. Beginning a Serendipity Group: Six Sessions to Get Acquainted. Serendipity House, 1984.
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