Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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