Cita APA (7th ed.)
Knorre, M., & Dorwick, T. (1993). Puntos de partida: An invitation to Spanish (3rd ed.). McGraw - Hill.
Cita Chicago (17th ed.)
Knorre, Marty, i Thalia Dorwick. Puntos De Partida: An Invitation to Spanish. 3rd ed. New York: McGraw - Hill, 1993.
Cita MLA (9th ed.)
Knorre, Marty, i Thalia Dorwick. Puntos De Partida: An Invitation to Spanish. 3rd ed. McGraw - Hill, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.