Pérez Pinzón, L. R. (2018). Pedagogical English Practice and Educational German Technology in the Federal State of Santander. Universidad Pedagógica y Tecnológica de Colombia.
Lua i Stíl Chicago (17ú heag.)Pérez Pinzón, Luis Rubén. Pedagogical English Practice and Educational German Technology in the Federal State of Santander. Universidad Pedagógica y Tecnológica de Colombia, 2018.
Lua MLA (9ú heag.)Pérez Pinzón, Luis Rubén. Pedagogical English Practice and Educational German Technology in the Federal State of Santander. Universidad Pedagógica y Tecnológica de Colombia, 2018.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
