Cita APA (7a ed.)

Fowler, W., & Coe, N. (1980). Test your english. [s.n].

Cita Chicago Style (17a ed.)

Fowler, W.S, y Norman Coe. Test Your English. NelSon, U.K: [s.n], 1980.

Cita MLA (9a ed.)

Fowler, W.S, y Norman Coe. Test Your English. [s.n], 1980.