Harris, S. (1992). From personal ads to cloning labs (1a. ed.). W. H. Freeman.
Cita Chicago (17th ed.)Harris, Sidney. From Personal Ads to Cloning Labs. 1a. ed. Nueva York: W. H. Freeman, 1992.
Cita MLA (9th ed.)Harris, Sidney. From Personal Ads to Cloning Labs. 1a. ed. W. H. Freeman, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.