Παραπομπή σε μορφή APA (7η εκδ.)

Smith, M. R., & Collis, L. (1998). Aggregates: Sand, gravel and crushed rock aggregates for construction purposes (2nd ed.). Geological Society.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Smith, M. R., και L. Collis. Aggregates: Sand, Gravel and Crushed Rock Aggregates for Construction Purposes. 2nd ed. London: Geological Society, 1998.

Παραπομπή σε μορφή MLA (8th εκδ.)

Smith, M. R., και L. Collis. Aggregates: Sand, Gravel and Crushed Rock Aggregates for Construction Purposes. 2nd ed. Geological Society, 1998.