edited by Warren J. Samuels, Jeff E. Biddle, John B. Davis
Blackwell, 2003
Buku Teks
Haney, Lewis H., author
Macmillan, 1949
Buku Teks
Heimann, Eduard
Oxford University Press, 1959
Buku Teks
edited by Luca Fiorito, Scott Scheall; Carlos Eduardo Suprinyak
Emerald, 2017
eBooks
Fellner, William, 1905-, author
McGraw-Hill, 1960
Buku Teks