Gaya APA

Koes, P, R, A. (2017). Needs analysis of english spelling materials for the fourth graders . Jakarta: Program Studi Bahasa dan Sastra Inggris FBS UNJ.

Gaya MLA

Koes, Prakoso, Reynaldy, Anantyo. "Needs analysis of english spelling materials for the fourth graders". Jakarta: Program Studi Bahasa dan Sastra Inggris FBS UNJ, 2017. Text.