APA (7th ed.) Citation

WALUYO, J., & HARIYANTO, M. (2011). English Grammar. Mahirsindo Utama.

Chicago Style (17th ed.) Citation

WALUYO, J., and M. HARIYANTO. English Grammar. Mahirsindo Utama, 2011.

MLA (9th ed.) Citation

WALUYO, J., and M. HARIYANTO. English Grammar. Mahirsindo Utama, 2011.

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