Trích dẫn APA

Carvajal Salas, A., & Roldan Quirós, W. A. (2019). Technical extension: An innovative service for educational cooperatives of professional technical high schools.

Trích dẫn kiểu Chicago

Carvajal Salas, Alexander, và Walter Andrés Roldan Quirós. Technical Extension: An Innovative Service for Educational Cooperatives of Professional Technical High Schools. 2019.

Trích dẫn MLA

Carvajal Salas, Alexander, và Walter Andrés Roldan Quirós. Technical Extension: An Innovative Service for Educational Cooperatives of Professional Technical High Schools. 2019.

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