APA
Sandak C. R., New Frontiers Exploration In The 20th Century, .TheWorld Oceans. New York: Franklin Watts.
Chicago
Sandak Cass R, New Frontiers Exploration In The 20th Century, .TheWorld Oceans. New York: Franklin Watts.
Harvard
Sandak C. R., New Frontiers Exploration In The 20th Century, .TheWorld Oceans. New York: Franklin Watts.
MLA
Sandak Cass R, New Frontiers Exploration In The 20th Century, .New York: Franklin Watts. .
