APA Style
Certo, Samuel C.. (1997).
Supervision, Second Edition (2 nd ed.).
USA:
Irwin.
Chicago Style
Certo, Samuel C..
Supervision, Second Edition.
2 nd ed.
USA:
Irwin,
1997.
.
MLA Style
Certo, Samuel C..
Supervision, Second Edition.
2 nd ed.
USA:
Irwin,
1997.
.
Turabian Style
Certo, Samuel C..
Supervision, Second Edition.
2 nd ed.
USA:
Irwin,
1997.
.