The Little Collins dictionary / Graham Brash

 Brash, Graham;

Singapore : Collins , 1982

Special verb patterns : Infinitives and auxiliary verbs

 Genggar, Clemens;

Yogyakarta : Kanisius , 1989

Grammar in context : proficiency level English / Hugh Gethin

 Gethin, Hugh;

London : Collin ELT , 1988

Choosing your english : kursus lanjut bahasa Inggris BBC

 Haycraft, John; Terence Creed;

Jakarta : Gramedia Pustaka Utama , 1991

Modern guide to synonyms / S.I. Hayakawa

 Hayakawa, S.I.;

Tokyo : Toppan , 1968

Dictionary of contemporary American usage / Bergen Evans

 Evans, Bergen; Evans, Cornella;

New York : Random , 1957

Essential idioms in English

 Dixon, Robert J.;

New York : Regents Publishing , 1971

English language and Australia

 Caiger, George;

Australia : A News , 0

Everyman's English pronouncing / Daniel Jones

 Jones, Daniel;

London : J.M. Dent \r\n Sons , 1964

Pronounciation / Daniel Jones

 Jones, Daniel;

New York : The University Press , 1973

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