Frankel, E. G. (1995). Ocean environmental management: : a primer on the role of the oceans and how to maintain their contributions to life on earth. PTR.
Citazione stile Chigago Style (17a edizione)Frankel, Ernst G. Ocean Environmental Management: : A Primer on the Role of the Oceans and How to Maintain Their Contributions to Life on Earth. New Jersey: PTR, 1995.
Citatione MLA (9a ed.)Frankel, Ernst G. Ocean Environmental Management: : A Primer on the Role of the Oceans and How to Maintain Their Contributions to Life on Earth. PTR, 1995.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.