Sirait, V. E., Heldisari, H. P., & Larasati, A. (2015). Trik A-Z Menguasai Keyboard The Best Instructionn Book Ever. Indoliterasi.
Chicago Style (17th ed.) CitationSirait, Van Eko, Hana Permata Heldisari, and Asha Larasati. Trik A-Z Menguasai Keyboard The Best Instructionn Book Ever. Indoliterasi, 2015.
MLA (8th ed.) CitationSirait, Van Eko, et al. Trik A-Z Menguasai Keyboard The Best Instructionn Book Ever. Indoliterasi, 2015.
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