Gaya APA

Goodman, R, B., Ince, W. (1981). How To Prepare For The Test Of English As a Foreign Language : Toefl . Singapura: McGraw Hill Book Company.

Gaya MLA

Goodman, Roger, B., Ince, William. "How To Prepare For The Test Of English As a Foreign Language : Toefl". Singapura: McGraw Hill Book Company, 1981. Text.