Gaya APA

System requirement analysis for e-learning matearials to support academic writing skill for engineering students of vocational higher education. (2018). Yogyakarta: ADGVI in cooperation with graduate school of UNY.

Gaya MLA

System requirement analysis for e-learning matearials to support academic writing skill for engineering students of vocational higher education. . Yogyakarta: ADGVI in cooperation with graduate school of UNY, 2018. Artikel.