Collins paperback thesaurus
HarperCollins Publishers, 1995
Buku Referensi
The Australian Oxford paperback dictionary
Oxford University press , 1994
Buku Teks
The australian oxford paperback dictionary
Oxford Univesity Press, 1994
Buku Referensi
The Oxford paperback German dictionary & Grammer
Oxford : Oxford University Press, 1995,
Buku Referensi
Chambers thesaurus A-Z / managing editor, Catherine Schwarz
Chambers, 1994
Buku Referensi