https://bku.untad.ac.id/ https://tpid.pekanbaru.go.id/ https://heylink.me/jagungbetslot88uangasli/

Gaya APA

Drucker, P, F. et al (2015). Five most important questions . United States of Amerika: Willey.

Gaya MLA

Drucker, Peter, F.. et al. "Five most important questions". United States of Amerika: Willey, 2015. BI Corner.