Cita APA (7th ed.)

Lafontaine, C., & Vogel, H. (1975). Pre-lectura 1 (2a. ed.). J. Domingo Ferrer S.A.

Cita Chicago (17th ed.)

Lafontaine, Cecile, i Heinz Vogel. Pre-lectura 1. 2a. ed. Barcelona: J. Domingo Ferrer S.A, 1975.

Cita MLA (9th ed.)

Lafontaine, Cecile, i Heinz Vogel. Pre-lectura 1. 2a. ed. J. Domingo Ferrer S.A, 1975.