Gaya APA
Ury, W, L. (1985).
Benyond the hotline how we can prevent the crisis that might bring on nuclear war .
Boston:
Houghton Mifflin Company.
Gaya MLA
Ury, William, L.
"Benyond the hotline how we can prevent the crisis that might bring on nuclear war".
Boston:
Houghton Mifflin Company,
1985.
Text.