Cambridge advanced learner's dictionary
Cambridge University Press, 2005
 Buku Referensi
Sutanto Atmosumarto
A learner's comprehensive dictionary of Indonesian
Atma Stanton, 2004
 Buku Referensi
Hornby, Albert Sydney
The advanced learner's dictionary of current english
Oxford University Press , 1963
 Buku Teks
Hornby, Albert Sydney
The Advanced learner's dictionary of current English
Oxford University Press, 1973
 Buku Referensi
Hornby, Albert Sydney
The Advanced learner's dictionary of current English
Oxford University Press, 1954
 Buku Referensi