APA (7th ed.) Citation

Mumford, W. From basic to wider english. Pustaka Rakyat.

Chicago Style (17th ed.) Citation

Mumford, W.B. From Basic to Wider English. Pustaka Rakyat.

MLA (8th ed.) Citation

Mumford, W.B. From Basic to Wider English. Pustaka Rakyat.

Warning: These citations may not always be 100% accurate.