Gaya APA
Peter, Laurence F. (1969).
The Peter principle .
London:
Souvenir.
Gaya Chicago
Peter, Laurence F.
The Peter principle.
London:
Souvenir,
1969.
Text.
Gaya MLA
Peter, Laurence F.
The Peter principle.
London:
Souvenir,
1969.
Text.
Gaya Turabian
Peter, Laurence F.
The Peter principle.
London:
Souvenir,
1969.
Print.