Roberts, Richard A., 1935-, author
Massachusetts Addison-Wesley, 1992
Buku Teks
Schechner, Richard, author
Routledge, 2013
Buku Teks
Farmer, R.D.T.
Blackwell Scientific Publ., 1983
Buku Teks
Podraza, Charles N.
Goodyear , 1969
Buku Teks
Monsen, R. Joseph, author
Houghton Mifflin, 1967
Buku Teks