TY  - BOOK
AU  - Gratian Vas
TI  - Prepositions: [an extensive collection of prepositions and their proper usage] 
SN  - 9833733565
PY  - 2006///
CY  - Petaling Jaya, Selangor
PB  - Unipress Publ.
KW  - English language
KW  - Prepositions
ER  -