Citazione Stile APA (7a Edizione)

(1977). Main Trends in Education. PERU [And] The Problem of Information at the National and International Level as a Consequence of the Improvement of Educational Systems.

Citazione stile Chigago Style (17a edizione)

Main Trends in Education. PERU [And] The Problem of Information at the National and International Level as a Consequence of the Improvement of Educational Systems. 1977.

Citatione MLA (9a ed.)

Main Trends in Education. PERU [And] The Problem of Information at the National and International Level as a Consequence of the Improvement of Educational Systems. 1977.