Citazione Stile APA (7a Edizione)
Otto, K., & Otto, K. (1966). School buildings 2: Technical schools, training colleges and colleges for higher education.
Citazione stile Chigago Style (17a edizione)
Otto, Karl, e Karl Otto. School Buildings 2: Technical Schools, Training Colleges and Colleges for Higher Education. 1966.
Citatione MLA (9a ed.)
Otto, Karl, e Karl Otto. School Buildings 2: Technical Schools, Training Colleges and Colleges for Higher Education. 1966.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.