APA Citation

Purbo, O. W. Concise handbook of English. Elex Media komputindo.

Chicago Style Citation

Purbo, Onno W. Concise Handbook of English. Elex Media komputindo.

MLA Citation

Purbo, Onno W. Concise Handbook of English. Elex Media komputindo.

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