The key to english : two word verbs
Collier-MacMillan International, 1969
 Buku Teks
A Dictionary of sentences and idioms English-Arabic
compiled and translated by Ismail Mazhar
The Renaissance Bookshop, 1950
 Buku Referensi
Radford, Andrew
Analysing English sentences : a minimalist approach
Cambridge University Press, 2009
 eBooks
Times Chinese dictionary of verbs : with English explanations
Federal Publications, 1988
 Buku Referensi
Pharsal verbs: their construction and students learning of them
 Artikel Jurnal