APA
Smith J. A., . (1972). The school secretary's handbook. Prentice-Hall, Englewood Cliffs: .
Chicago
Smith John Allan, . 1972. The school secretary's handbook. Prentice-Hall, Englewood Cliffs: .
Harvard
Smith J. A., . (1972). The school secretary's handbook. Prentice-Hall, Englewood Cliffs: .
MLA
Smith John Allan, . The school secretary's handbook. Prentice-Hall, Englewood Cliffs: . 1972.