Gaya APA

Lilyana, C, G, I, L, K, S, L, &, S. (). Essay Writing English For Academic Puspose With Exercises And Answer Key 3Rd Edition . : Andi Publisher.

Gaya MLA

Lilyana, Cheryl, Groth,, Irene, L., Kendra,, Sutanto, Leo,, &, Sandra. "Essay Writing English For Academic Puspose With Exercises And Answer Key 3Rd Edition". : Andi Publisher, . Text.