Cita APA (7a ed.)

Holmberg, B. (1960). On the methods of teaching by correspondence. C. W. K. Gleerup.

Cita Chicago Style (17a ed.)

Holmberg, Börje. On the Methods of Teaching by Correspondence. Lund: C. W. K. Gleerup, 1960.

Cita MLA (9a ed.)

Holmberg, Börje. On the Methods of Teaching by Correspondence. C. W. K. Gleerup, 1960.