Gaya APA

Kardimin, Akh.. (2005). Essential English Grammar (Cet. 1). Yogyakarta: Pustaka Pelajar.

Gaya Chicago

Kardimin, Akh.. Essential English Grammar . Cet. 1 Yogyakarta: Pustaka Pelajar, 2005. UMUM.

Gaya MLA

Kardimin, Akh.. Essential English Grammar . Cet. 1 Yogyakarta: Pustaka Pelajar, 2005. UMUM.

Gaya Turabian

Kardimin, Akh.. Essential English Grammar . Cet. 1 Yogyakarta: Pustaka Pelajar, 2005. UMUM.