Gaya APA
Raymond J, Burby. (1992).
Prinsip-Prinsip Pokok Leadership (Kepemimpinan) .
YOGYAKARTA:
Liberty Yogyarta.
Gaya Chicago
Raymond J, Burby.
Prinsip-Prinsip Pokok Leadership (Kepemimpinan).
YOGYAKARTA:
Liberty Yogyarta,
1992.
Text.
Gaya MLA
Raymond J, Burby.
Prinsip-Prinsip Pokok Leadership (Kepemimpinan).
YOGYAKARTA:
Liberty Yogyarta,
1992.
Text.
Gaya Turabian
Raymond J, Burby.
Prinsip-Prinsip Pokok Leadership (Kepemimpinan).
YOGYAKARTA:
Liberty Yogyarta,
1992.
Print.