Cita APA (7a ed.)

Urdang, L. (1992). Dictionary of differences. Bloomsbury Professional.

Cita Chicago Style (17a ed.)

Urdang, Laurence. Dictionary of Differences. Haywards Heath: Bloomsbury Professional, 1992.

Cita MLA (9a ed.)

Urdang, Laurence. Dictionary of Differences. Bloomsbury Professional, 1992.