Cita APA (7th ed.)

Duckworth, R. A., Lockyear, C. F., Pullum, L., & Littlejohn, M. H. (1985). Transport of coal by pipeline. Department of Resources and Energy.

Cita Chicago (17th ed.)

Duckworth, R. A., C. F. Lockyear, L. Pullum, i M. H. Littlejohn. Transport of Coal by Pipeline. Canberra, A.C.T.: Department of Resources and Energy, 1985.

Cita MLA (8th ed.)

Duckworth, R. A., et al. Transport of Coal by Pipeline. Department of Resources and Energy, 1985.