Cita APA (7th ed.)

Berking, H., & Camiller, P. (1999). Sociology of giving. Sage.

Cita Chicago (17th ed.)

Berking, Helmuth, i Patrick Camiller. Sociology of Giving. London: Sage, 1999.

Cita MLA (9th ed.)

Berking, Helmuth, i Patrick Camiller. Sociology of Giving. Sage, 1999.