Gaya APA

Leo, Sutanto, Groth, Cheryl, Kendra, Irene L.. (2013). Essay Writting : English For Purposes . Yogyakarta: Andi Offset.

Gaya Chicago

Leo, Sutanto, Groth, Cheryl, Kendra, Irene L.. Essay Writting : English For Purposes. Yogyakarta: Andi Offset, 2013. Teks.

Gaya MLA

Leo, Sutanto, Groth, Cheryl, Kendra, Irene L.. Essay Writting : English For Purposes. Yogyakarta: Andi Offset, 2013. Teks.

Gaya Turabian

Leo, Sutanto, Groth, Cheryl, Kendra, Irene L.. Essay Writting : English For Purposes. Yogyakarta: Andi Offset, 2013. Teks.