Citazione Stile APA (7a Edizione)

Echavarría Valenzuela, Y. The Revolutionary foreign policy of Mexico towards Central American revolutionary governments, 1970-1988. s. ed.

Citazione stile Chigago Style (17a edizione)

Echavarría Valenzuela, Yolanda. The Revolutionary Foreign Policy of Mexico Towards Central American Revolutionary Governments, 1970-1988. s. l.: s. ed.

Citatione MLA (9a ed.)

Echavarría Valenzuela, Yolanda. The Revolutionary Foreign Policy of Mexico Towards Central American Revolutionary Governments, 1970-1988. s. ed.