Gaya APA

Graham,Mark. (2015). Boom English Grammar Made Easy . Jakarta: Erlangga.

Gaya Chicago

Graham,Mark. Boom English Grammar Made Easy. Jakarta: Erlangga, 2015. Teks.

Gaya MLA

Graham,Mark. Boom English Grammar Made Easy. Jakarta: Erlangga, 2015. Teks.

Gaya Turabian

Graham,Mark. Boom English Grammar Made Easy. Jakarta: Erlangga, 2015. Teks.