St. Martin's Press, 1968
Buku Teks
edited by Philip M. Hauser and Leo F. Schnore
John Wiley & Sons, 1965
Buku Teks
Cambridge University Press, 1974
Buku Teks
Oxford University Press , 1976
Buku Teks
Jonathan Darling, Helen F. Wilson
Routledge, Taylor & Francis Group, 2016
Buku Teks