Παραπομπή APA

Peng, S. S. (1992). Surface subsidence engineering. Littleton, Colo.: Society for Mining, Metallurgy, and Exploration.

Παραπομπή Chicago Style

Peng, Syd S. Surface Subsidence Engineering. Littleton, Colo.: Society for Mining, Metallurgy, and Exploration, 1992.

Παραπομπή MLA

Peng, Syd S. Surface Subsidence Engineering. Littleton, Colo.: Society for Mining, Metallurgy, and Exploration, 1992.

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