Gaya APA
Peter, Laurence J.. (1970).
The Peter principle .
England:
Pan Books.
Gaya Chicago
Peter, Laurence J..
The Peter principle.
England:
Pan Books,
1970.
Text.
Gaya MLA
Peter, Laurence J..
The Peter principle.
England:
Pan Books,
1970.
Text.
Gaya Turabian
Peter, Laurence J..
The Peter principle.
England:
Pan Books,
1970.
Print.