Cita APA (7th ed.)
Kremer, J. (1983). Book marketing made easier (ed.). London.
Cita Chicago (17th ed.)
Kremer, John. Book Marketing Made Easier. ed. Fairfield: London, 1983.
Cita MLA (9th ed.)
Kremer, John. Book Marketing Made Easier. ed. London, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.