APA
Shawcross P., . (1992). English for aircraft 1. Paris, Francia: Belin.
Chicago
Shawcross Philip, . 1992. English for aircraft 1. Paris, Francia: Belin.
Harvard
Shawcross P., . (1992). English for aircraft 1. Paris, Francia: Belin.
MLA
Shawcross Philip, . English for aircraft 1. Paris, Francia: Belin. 1992.