PURNOMO, S. H. (1993). British and American English. Gramedia Pustaka Utama.
Chicago Style (17th ed.) CitationPURNOMO, S. Hadi. British and American English. Jakarta: Gramedia Pustaka Utama, 1993.
MLA引文PURNOMO, S. Hadi. British and American English. Gramedia Pustaka Utama, 1993.
警告:這些引文格式不一定是100%准確.