Cita APA (7th ed.)

Smith, M. R., Collis, L., & Fookes, P. G. (2001). Aggregates: Sand, gravel and crushed rock aggregates for construction purposes (3rd ed.). Geological Society.

Cita Chicago (17th ed.)

Smith, M. R., L. Collis, i P. G. Fookes. Aggregates: Sand, Gravel and Crushed Rock Aggregates for Construction Purposes. 3rd ed. London: Geological Society, 2001.

Cita MLA (9th ed.)

Smith, M. R., et al. Aggregates: Sand, Gravel and Crushed Rock Aggregates for Construction Purposes. 3rd ed. Geological Society, 2001.

Atenció: Aquestes cites poden no estar 100% correctes.