Cita APA (7th ed.)

Robins, P. (1985). Easy Stages (1. Auflage.). GMP Publishers.

Cita Chicago (17th ed.)

Robins, Peter. Easy Stages. 1. Auflage. London: GMP Publishers, 1985.

Cita MLA (8th ed.)

Robins, Peter. Easy Stages. 1. Auflage. GMP Publishers, 1985.