edited by Peter Melville Logan
Wiley Blackwell, 2014
Buku Referensi
edited by Peter Melville Logan; associate editors, Olakunle George, Susan Hrgeman, Efrain Kristal
Wiley-Blackwell, 2011
Buku Referensi
Umar Junus, author
Universiti Malaya, 1974
Buku Teks
editor, Ronald Hamowy
Sage Publications, 2008
Buku Referensi
Sloane, Thomas O., author
Oxford University Press, 2001
Buku Referensi