APA
NG Foo Mun, Gabriel mich Kiatolok, Ng How Seng, Ng Lai Foong & Windy Hastasasi Dan Dwi Wahyu Priyanto. (2011). Creative English Workbook 1b. Jakarta: Erlangga.
Chicago
NG Foo Mun, Gabriel mich Kiatolok, Ng How Seng, Ng Lai Foong and Windy Hastasasi Dan Dwi Wahyu Priyanto. 2011. Creative English Workbook 1b. Jakarta: Erlangga.
Harvard
NG Foo Mun, Gabriel mich Kiatolok, Ng How Seng, Ng Lai Foong and Windy Hastasasi Dan Dwi Wahyu Priyanto. (2011). Creative English Workbook 1b. Jakarta: Erlangga.
MLA
NG Foo Mun, Gabriel mich Kiatolok, Ng How Seng, Ng Lai Foong and Windy Hastasasi Dan Dwi Wahyu Priyanto. Creative English Workbook 1b. Jakarta: Erlangga. 2011.