Cita APA (7a ed.)

Ealing Technical College. (1967). Ealing Course in Sapnish: Part 1 (Units 1-18). (1a. ed.). Longman.

Cita Chicago Style (17a ed.)

Ealing Technical College. Ealing Course in Sapnish: Part 1 (Units 1-18). 1a. ed. Londres: Longman, 1967.

Cita MLA (9a ed.)

Ealing Technical College. Ealing Course in Sapnish: Part 1 (Units 1-18). 1a. ed. Longman, 1967.