APA (7th ed.) Citation

Holmberg, B. (1989). Theory and practice of distance education (1. publ.). Routledge.

Chicago Style (17th ed.) Citation

Holmberg, Börje. Theory and Practice of Distance Education. 1. publ. London u.a: Routledge, 1989.

MLA (9th ed.) Citation

Holmberg, Börje. Theory and Practice of Distance Education. 1. publ. Routledge, 1989.

Warning: These citations may not always be 100% accurate.