Bloomer, Aileen, 1947-
Introducing language in use : a coursebook
Routledge , 2006
 Buku Teks
Phonology and language use / Joan Bybee
Cambridge University Press, 2001
 eBooks
Vira, Raghu
India's national language / Raghu Vira
International Academy of Indian Culture, 1965
 Buku Teks
Ojima, Kikue
Handbooks on the National language readers of Japan
San ko sha, 1929
 Buku Teks
Cohn, Laurence S.
Effective use of ANS COBOL computer programming language
Wiley-Interscience, 1975
 Buku Teks