Gaya APA

Kentucky, D, F, S, M, R, A, E. (1982). Permanent Program Regulations for Surface Coal Mining and Reclamation Operations and Coal Exploration Operations . state funds: commonwealth of kentucky.

Gaya MLA

Kentucky, Departement, For, Surface, Mining, Reclamation, And, Enforcement. "Permanent Program Regulations for Surface Coal Mining and Reclamation Operations and Coal Exploration Operations". state funds: commonwealth of kentucky, 1982. Text.