Παραπομπή APA

Padelford, N. J., & Gibbs, S. R. (1975). Maritime commerce and the future of the panama canal. Cornell maritime press.

Παραπομπή Chicago Style

Padelford, Norman J., και Stephen R. Gibbs. Maritime Commerce and the Future of the Panama Canal. Cambridge: Cornell maritime press, 1975.

Παραπομπή MLA

Padelford, Norman J., και Stephen R. Gibbs. Maritime Commerce and the Future of the Panama Canal. Cornell maritime press, 1975.