Gaya APA

Hariyanto, R., carthy, A, M. (2008). ABC Plus English Grammar (Cet. 1). Surabaya: Gitamedia Press.

Gaya MLA

Hariyanto, Rudy., carthy, Andrew, Mc.. "ABC Plus English Grammar". Cet. 1 Surabaya: Gitamedia Press, 2008. Text.