Παραπομπή APA

Thomasson, E. M. (1981). Study of the sea. Fishing news books ltd.

Παραπομπή Chicago Style

Thomasson, E. M. Study of the Sea. England: Fishing news books ltd, 1981.

Παραπομπή MLA

Thomasson, E. M. Study of the Sea. Fishing news books ltd, 1981.