Gaya APA

Fairbridge, R, W. (197). The encyclopedia of world regional geology. Part 1 ; western hemisphere; seri EES V.8 (1975). : Pennsylvania : Hutchinson & Ross, Inc.,.

Gaya MLA

Fairbridge, Rhodes, W. "The encyclopedia of world regional geology. Part 1 ; western hemisphere; seri EES V.8". 1975 : Pennsylvania : Hutchinson & Ross, Inc.,, 197. Text.