APA (7e ed.) Bronvermelding

Utomo T. P., Hasanudin U, Suroso E, & International Association of Engineers. Comparative study of low and high-grade crumb rubber processing energy.

Chicago (17e ed.) Bronvermelding

Utomo T. P., Hasanudin U, Suroso E, en International Association of Engineers. Comparative Study of Low and High-grade Crumb Rubber Processing Energy.

MLA (9e ed.) Bronvermelding

Utomo T. P., et al. Comparative Study of Low and High-grade Crumb Rubber Processing Energy.