Gaya APA
Groth, C, [. (2022).
Essay Writing English for Academic Purpose: With Excercises and Answer Key, 3rd Edition (3).
Yogyakarta:
Andi .
Gaya MLA
Groth, Cheryl,, [et.al].
"Essay Writing English for Academic Purpose: With Excercises and Answer Key, 3rd Edition".
3
Yogyakarta:
Andi ,
2022.
Text.