Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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