Gaya APA
Yudaruddin, R. et al (2017).
International Journal of Applied Business and Economic Research (Vol. 15 Num.19).
India:
Serials Publications PVT. LTD.
Gaya MLA
Yudaruddin, Rizky. et al.
"International Journal of Applied Business and Economic Research".
Vol. 15 Num.19
India:
Serials Publications PVT. LTD,
2017.
Textbook.