Ruiz Badilla, S. (2009). Distance Education: Notes about Its Origins and Fair Value as a Practical and Powerful Resource for Permanent Education in Light of Intergenerational Change.
Chicago-стиль цитированияRuiz Badilla, Silvia. Distance Education: Notes About Its Origins and Fair Value As a Practical and Powerful Resource for Permanent Education in Light of Intergenerational Change. 2009.
MLA-цитированиеRuiz Badilla, Silvia. Distance Education: Notes About Its Origins and Fair Value As a Practical and Powerful Resource for Permanent Education in Light of Intergenerational Change. 2009.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.