Cartland, B. (1974). Lessons in love. Bantam.
Cita Chicago (17th ed.)Cartland, Barbara. Lessons in Love. New York: Bantam, 1974.
Cita MLA (8th ed.)Cartland, Barbara. Lessons in Love. Bantam, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.