Cita APA (7a ed.)

GRIGGS, G. B. (1977). GEOLOGIS HAZARDS, RESOURCES, AND ENVIRONMENTAL PLANNING. WADSWORTH.

Cita Chicago Style (17a ed.)

GRIGGS, GARY B. GEOLOGIS HAZARDS, RESOURCES, AND ENVIRONMENTAL PLANNING. BELMONT: WADSWORTH, 1977.

Cita MLA (9a ed.)

GRIGGS, GARY B. GEOLOGIS HAZARDS, RESOURCES, AND ENVIRONMENTAL PLANNING. WADSWORTH, 1977.