Cita APA (7th ed.)

Bautista, M. L., & Koch, C. (1982). English for specific purposes: Arts and sciences. National Book Store.

Cita Chicago (17th ed.)

Bautista, Ma. Lourdes, i Carl Koch. English for Specific Purposes: Arts and Sciences. Metro Manila: National Book Store, 1982.

Cita MLA (9th ed.)

Bautista, Ma. Lourdes, i Carl Koch. English for Specific Purposes: Arts and Sciences. National Book Store, 1982.