edited by Jack Elinson, Anne Mooney, and Athilia E. Siegmann
Westview Press, 1977
Buku Teks
Perrin, Karen M., author
Jones & Bartlett Learning, 2016
Buku Teks
Zuidberg, Lida C., author
Universitas Indonesia, 1976
Buku Teks
Miller, M. Clinton, author
University Microfilms International, 1978
Buku Teks
Issel, L. Michele, author
Jones & Bartlett Learning, 2014
Buku Teks