APA Citation

Soemowidogdo, S. Essential grammar in use: A self-study reference and practice book for elementary students of english with answers. W.Versluysuitgevers Maatschappy Amsterda.

Chicago Style Citation

Soemowidogdo, Soemadi. Essential Grammar in Use: A Self-study Reference and Practice Book for Elementary Students of English With Answers. W.Versluysuitgevers Maatschappy Amsterda.

MLA Citation

Soemowidogdo, Soemadi. Essential Grammar in Use: A Self-study Reference and Practice Book for Elementary Students of English With Answers. W.Versluysuitgevers Maatschappy Amsterda.