Larkin, Mary, author
McGraw-Hill, 2011
Buku Teks
Kearney, Margaret H.
WMH&D, 1999
Buku Teks
edited by Ronald Bayer [and others]
Oxford University Press, 2007
Buku Teks
Satria Panji Wijayanto, author
2014
UI - Skripsi (Membership)
Colin D. Butler, editor
CABI, 2016
Buku Teks