Παραπομπή APA

Berrill, N. J. (1969). life of sea Islands. McGraw-Hill.

Παραπομπή Chicago Style

Berrill, N J. Life of Sea Islands. New York: McGraw-Hill, 1969.

Παραπομπή MLA

Berrill, N J. Life of Sea Islands. McGraw-Hill, 1969.