APA aipamena

YOFFIE DAVID B. (1993). BEYOND FREE TRADE: FIRMS GOVTS. GLOBAL COMPETITION. HARVARD BUSINESS REVIEW SCHOOL.

Chicago Style aipamena

YOFFIE DAVID B. BEYOND FREE TRADE: FIRMS GOVTS. GLOBAL COMPETITION. BOSTON: HARVARD BUSINESS REVIEW SCHOOL, 1993.

MLA aipamena

YOFFIE DAVID B. BEYOND FREE TRADE: FIRMS GOVTS. GLOBAL COMPETITION. HARVARD BUSINESS REVIEW SCHOOL, 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.