Askeland, Donald R., author
Thomson, 2006
Buku Teks
by James P. Schaffer ... [et al.]
McGraw-Hill, 1999
Buku Teks
Springer Cham, 2019
eBooks
Morley, Arthur, author
English Language Book Society, 1962
Buku Teks
Van Vlack, Lawrence H., author
Addison-Wesley, 1989
Buku Teks