APA (7th ed.) Citation

Heasley, B., Sihontang, D. P., & Priyanto, D. I. W. (1999). English for communication for SLTP 1994 curriculum: An integrated course of English. Erlangga.

Chicago Style (17th ed.) Citation

Heasley, Brendan, Dion P. Sihontang, and Dwi Ig. Wahyu Priyanto. English for Communication for SLTP 1994 Curriculum: An Integrated Course of English. Erlangga, 1999.

MLA (8th ed.) Citation

Heasley, Brendan, et al. English for Communication for SLTP 1994 Curriculum: An Integrated Course of English. Erlangga, 1999.

Warning: These citations may not always be 100% accurate.