Gaya APA
BOUMA, A, H. (1976).
SHELL DREDGING AND ITS INFLUENCE ON GULF COAST ENVIRONMENTS .
Texas:
Gulf Publishing Company.
Gaya MLA
BOUMA, ARNOLD, H.
"SHELL DREDGING AND ITS INFLUENCE ON GULF COAST ENVIRONMENTS".
Texas:
Gulf Publishing Company,
1976.
Textbook.