APA (7th ed.) Zitazioa

Gertsch, R. E., & Bullock, R. L. (1998). Techniques in underground mining: Selections from underground mining methods handbook (1a. ed.). Society for Mining, Metallurgy, and Exploration, Inc.

Chicago Style (17th ed.) Zitazioa

Gertsch, Richard E., eta Richard L. Bullock. Techniques in Underground Mining: Selections from Underground Mining Methods Handbook. 1a. ed. Littleton: Society for Mining, Metallurgy, and Exploration, Inc, 1998.

MLA (9th ed.) Zitazioa

Gertsch, Richard E., eta Richard L. Bullock. Techniques in Underground Mining: Selections from Underground Mining Methods Handbook. 1a. ed. Society for Mining, Metallurgy, and Exploration, Inc, 1998.