The three circles of English :
language specialists talk about the English language /
edited by Edwin Thumboo.
APA Citation
Thumboo, E. (2001). The three circles of English: language specialists talk about the English language. Singapore: UniPress.
MLA Citation
Thumboo, Edwin, 1933-. The Three Circles of English: Language Specialists Talk About the English Language. Singapore: UniPress, 2001.
Warning: These citations may not always be complete (especially for serials).