Gaya APA

Strahler, A, N., Arthur, I, S. (1973). Environmental geoscience interaction between natural systems and man . California: California: Hamilton Publishing; 1973.

Gaya MLA

Strahler, Arthur, N.., Arthur, I., Strahler,. "Environmental geoscience interaction between natural systems and man". California: California: Hamilton Publishing; 1973, 1973. Text.