Gaya APA

Kholil, A., Kamsyach, A. (2014). Alat berat (Cet.2). : Remaja Rosdakarya.

Gaya MLA

Kholil, Ahmad., Kamsyach, Adriyani. "Alat berat". Cet.2 : Remaja Rosdakarya, 2014. Textbook.