Cita APA (7th ed.)

Jacobs, R. A., & Rosenbaum, P. S. (1967). Grammar 2. Ginn.

Cita Chicago (17th ed.)

Jacobs, Roderick A., i Peter S. Rosenbaum. Grammar 2. Winchester: Ginn, 1967.

Cita MLA (9th ed.)

Jacobs, Roderick A., i Peter S. Rosenbaum. Grammar 2. Ginn, 1967.