Gaya APA

ALEXANDER, L. G.. (1998). Practice And Progress: An Integrated Course For Pre-Intermediate Students, New Concept English (Cet. 21). london: Longman.

Gaya Chicago

ALEXANDER, L. G.. Practice And Progress: An Integrated Course For Pre-Intermediate Students, New Concept English . Cet. 21 london: Longman, 1998. UMUM.

Gaya MLA

ALEXANDER, L. G.. Practice And Progress: An Integrated Course For Pre-Intermediate Students, New Concept English . Cet. 21 london: Longman, 1998. UMUM.

Gaya Turabian

ALEXANDER, L. G.. Practice And Progress: An Integrated Course For Pre-Intermediate Students, New Concept English . Cet. 21 london: Longman, 1998. UMUM.