Kemp, M. C. (1969). The pure theory of international trade and investment. Englewood Cliffs: Prentice-Hall.
Trích dẫn kiểu ChicagoKemp, Murray C. The Pure Theory of International Trade and Investment. Englewood Cliffs: Prentice-Hall, 1969.
ציטוט MLAKemp, Murray C. The Pure Theory of International Trade and Investment. Englewood Cliffs: Prentice-Hall, 1969.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.