National Conference on Educational Method, Hosic, J. F., & Brueckner, L. J. (1929). Scientific method in supervision: The second yearbook of the National Conference of Supervisors and Directors of Instruction. Bureau of Publications, Teachers College, Columbia University.
Čikaški stil citiranja (17. izdanje)National Conference on Educational Method, James Fleming Hosic, i Leo J. Brueckner. Scientific Method in Supervision: The Second Yearbook of the National Conference of Supervisors and Directors of Instruction. New York: Bureau of Publications, Teachers College, Columbia University, 1929.
MLA način citiranja (8. izdanje)National Conference on Educational Method, et al. Scientific Method in Supervision: The Second Yearbook of the National Conference of Supervisors and Directors of Instruction. Bureau of Publications, Teachers College, Columbia University, 1929.