Gaya APA
Cheryl Groth, dkk. (2013).
Essay Writing English for Academic Purposes: with exercises and answer key .
Yogyakarta:
Andi.
Gaya Chicago
Cheryl Groth, dkk.
Essay Writing English for Academic Purposes: with exercises and answer key.
Yogyakarta:
Andi,
2013.
.
Gaya MLA
Cheryl Groth, dkk.
Essay Writing English for Academic Purposes: with exercises and answer key.
Yogyakarta:
Andi,
2013.
.
Gaya Turabian
Cheryl Groth, dkk.
Essay Writing English for Academic Purposes: with exercises and answer key.
Yogyakarta:
Andi,
2013.
.