Sheller, W. D. (1991). Welcome to English 4: Buku Penuntun , Willard D Sheller. Indonesia: English Language S.Inc.
Chicago Style (17th ed.) CitationSheller, Willard D. Welcome to English 4: Buku Penuntun , Willard D Sheller. Indonesia: English Language S.Inc, 1991.
MLA (8th ed.) CitationSheller, Willard D. Welcome to English 4: Buku Penuntun , Willard D Sheller. Indonesia: English Language S.Inc, 1991.
Warning: These citations may not always be 100% accurate.