Cita APA (7th ed.)

World Energy Conference. Conservation Commission, Peters, W., & Schilling, H. (1978). Coal resources: The full report to the Conservation Commission of the World Energy Conference. IPC Science and Technology Press for the WEC.

Cita Chicago (17th ed.)

World Energy Conference. Conservation Commission, W. Peters, i H.-D Schilling. Coal Resources: The Full Report to the Conservation Commission of the World Energy Conference. Guildford: IPC Science and Technology Press for the WEC, 1978.

Cita MLA (8th ed.)

World Energy Conference. Conservation Commission, et al. Coal Resources: The Full Report to the Conservation Commission of the World Energy Conference. IPC Science and Technology Press for the WEC, 1978.