Day, Robert A.
ISI Press , 1979
Buku Teks
Day, Robert A.
ISI Press, 1983
Buku Teks
Gastel, Barbara
Greenwood, 2016
Buku Teks
Sides, Charles H., 1952-
Cambridge University Press, 1992
Buku Teks
Trelease, Sam Farlow
The Williams & Wilkins, 1958
Buku Teks