Παραπομπή σε μορφή APA (7η εκδ.)

Robertson, R. E. (2000). Chemical properties of asphalts and their effects on pavement performance. Transportation Research Board, National Research Council.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Robertson, Raymond E. Chemical Properties of Asphalts and Their Effects on Pavement Performance. Washington, DC: Transportation Research Board, National Research Council, 2000.

Παραπομπή σε μορφή MLA (9th εκδ.)

Robertson, Raymond E. Chemical Properties of Asphalts and Their Effects on Pavement Performance. Transportation Research Board, National Research Council, 2000.