Budak, Aram
[Publisher not identified], [Date of publication not identified]
Buku Referensi
Palmer, Michael
Course Technology Cengage Learning, 2013
Buku Teks
Etten, Wim van
Prentice-Hall, 1990
Buku Teks
Springer Cham, 2019
eBooks
Burton, Sharon
Houghton-Mifflin, 1992
Buku Teks