Vogt, William
New York, N.Y. WilliamSloane 1948,
Buku Teks
Kaufmann, Robert K., author
McGraw-Hill, 2008
Buku Teks
Lee, Suong Ho, author
Purengil, 2009
Buku Teks
Bukhori Masruri, editor; Y.D. Anugrahbayu, editor
KPG (Kepustakaan Populer Gramedia), 2021
Buku Teks
edited by Anthony Waish, Kevin M. Beaver
Routledge, Taylor & Francis Group, 2009
Buku Teks