Fadillah, R. (2014). LEARNING MOTIVATION AND ENGLISH ACHIEVEMENT OF STUDENTS AT POLITEKNIK NEGERI SEMARANG CENTRAL JAVA. Universitas Muhammadiyah Surakarta.
Chicago-viite (17. p.)Fadillah, Ridha. LEARNING MOTIVATION AND ENGLISH ACHIEVEMENT OF STUDENTS AT POLITEKNIK NEGERI SEMARANG CENTRAL JAVA. Universitas Muhammadiyah Surakarta, 2014.
MLA-viite (9. p.)Fadillah, Ridha. LEARNING MOTIVATION AND ENGLISH ACHIEVEMENT OF STUDENTS AT POLITEKNIK NEGERI SEMARANG CENTRAL JAVA. Universitas Muhammadiyah Surakarta, 2014.
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