Cita APA (7th ed.)

Stone, L. (1969). Lower Cambridge english exercies. Macmillan.

Cita Chicago (17th ed.)

Stone, Linton. Lower Cambridge English Exercies. London: Macmillan, 1969.

Cita MLA (9th ed.)

Stone, Linton. Lower Cambridge English Exercies. Macmillan, 1969.