Gaya APA

Heasley, B., Sihotang, D, P. (2000). English for Communication [Jld. 1]: for SLTP Year I [Kur. th. 1994] (Cet. 2.--). Jakarta: Erlangga.

Gaya MLA

Heasley, Brendan., Sihotang, Dion, P.. "English for Communication [Jld. 1]: for SLTP Year I [Kur. th. 1994]". Cet. 2.-- Jakarta: Erlangga, 2000. Text.