APA-referens (7:e uppl.)

Pujastuti, E., & Laksito, A. D. (2020). Usability Testing on QR Code Scanner Application for Lecture Presence. Department of Informatics, Universitas Muhammadiyah Surakarta, Indonesia.

Chicago-referens (17:e uppl.)

Pujastuti, Eli, och Arif Dwi Laksito. Usability Testing on QR Code Scanner Application for Lecture Presence. Department of Informatics, Universitas Muhammadiyah Surakarta, Indonesia, 2020.

MLA-referens (9:e uppl.)

Pujastuti, Eli, och Arif Dwi Laksito. Usability Testing on QR Code Scanner Application for Lecture Presence. Department of Informatics, Universitas Muhammadiyah Surakarta, Indonesia, 2020.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.