Perrin, Karen M.
Jones & Bartlett Learning, 2016
Buku Teks
Zuidberg, Lida C.
Universitas Indonesia, 1976
Buku Teks
Issel, L. Michele
Jones & Bartlett Learning, 2014
Buku Teks
Miller, M. Clinton
University Microfilms International, 1978
Buku Teks
Issel, L. Michele
Jones and Barlett Publ., 2004
Buku Teks