Cita APA (7a ed.)

Sinclair, J. (1994). COBUILD student's dictionary and grammar. HarperCollins.

Cita Chicago Style (17a ed.)

Sinclair, John. COBUILD Student's Dictionary and Grammar. London: HarperCollins, 1994.

Cita MLA (9a ed.)

Sinclair, John. COBUILD Student's Dictionary and Grammar. HarperCollins, 1994.