APA način citiranja (7. izdanje)

Marcelo, D. F. J., Socan-Marcelo, M. F., & Lopez, E. R. A. (2021). Human resource development. Unlimited Books Library Services & Publishing Inc.

Čikaški stil citiranja (17. izdanje)

Marcelo, Danilo F. Jr, Marie Fe Socan-Marcelo, i Erico Roy A. Lopez. Human Resource Development. Manila: Unlimited Books Library Services & Publishing Inc, 2021.

MLA način citiranja (9. izdanje)

Marcelo, Danilo F. Jr, et al. Human Resource Development. Unlimited Books Library Services & Publishing Inc, 2021.