Waters, G. H. C. (1967). First lessons in physical geography (New ed., 1. publ. 1957, 3. impr. (with corrections) 1959, 2. ed., new impr.). Longmans.
Cita Chicago Style (17a ed.)Waters, Grahame Hugh Clement. First Lessons in Physical Geography. New ed., 1. publ. 1957, 3. impr. (with corrections) 1959, 2. ed., new impr. London: Longmans, 1967.
Cita MLA (9a ed.)Waters, Grahame Hugh Clement. First Lessons in Physical Geography. New ed., 1. publ. 1957, 3. impr. (with corrections) 1959, 2. ed., new impr. Longmans, 1967.
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