APA Citation

Osbiston, D. (1985). Bahasa Inggeris praktikal. Singapore: Times Books International.

Chicago Style Citation

Osbiston, David. Bahasa Inggeris Praktikal. Singapore: Times Books International, 1985.

MLA Citation

Osbiston, David. Bahasa Inggeris Praktikal. Singapore: Times Books International, 1985.

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