edited by Michael W. Alssid, William Kenney
Holt, Rinehart and Winston, 1964
Buku Teks
edited by Michael W. Alssid and William Kenney
Holt, Rinehart and Winston, 1966
Buku Teks
Pepper, Stephen C.
University of California Press, 1966
Buku Teks
Otto Eduardo Fonseca Lobo
Carswell , 2009
Buku Teks
Luard, Evan
Oxford University Press , 1964
Buku Teks