Budi Iswanto, Y. (1978). English prepositions and the reason why they are difficult to learn by Indonesian students. USD.
Chicago Style CitationBudi Iswanto, Y.C. English Prepositions and the Reason Why They Are Difficult to Learn By Indonesian Students. USD, 1978.
MLA CitationBudi Iswanto, Y.C. English Prepositions and the Reason Why They Are Difficult to Learn By Indonesian Students. USD, 1978.
Warning: These citations may not always be 100% accurate.