Gaya APA
Goldthwait, R, P. (1975).
Glacial Deposits (Benchmark Papers in Geology, Volume 21) .
Pennsylvania:
Dowden,Hutchinson & Ross Inc..
Gaya MLA
Goldthwait, Richard, P..
"Glacial Deposits (Benchmark Papers in Geology, Volume 21)".
Pennsylvania:
Dowden,Hutchinson & Ross Inc.,
1975.
Text.