Cita APA (7th ed.)

ALTER, J. (1979). Curriculum english SMA for Indonesia book 1. Times Educational.

Cita Chicago (17th ed.)

ALTER, J.B. Curriculum English SMA for Indonesia Book 1. Hongkong: Times Educational, 1979.

Cita MLA (9th ed.)

ALTER, J.B. Curriculum English SMA for Indonesia Book 1. Times Educational, 1979.