Cita APA (7th ed.)

Kroop. (2015). Responsive Open Learning Environments (1.). Springer International Publishing.

Cita Chicago (17th ed.)

Kroop. Responsive Open Learning Environments. 1. Springer International Publishing, 2015.

Cita MLA (8th ed.)

Kroop. Responsive Open Learning Environments. 1. Springer International Publishing, 2015.