Gaya APA
Burby, R, J., Manullang, M, (. (1970).
Prinsip-prinsip pokok leadership : kepemimpinan .
Yogyakarta:
Liberty.
Gaya MLA
Burby, Raymond, J., Manullang, M, (penerjemah).
"Prinsip-prinsip pokok leadership : kepemimpinan".
Yogyakarta:
Liberty,
1970.
Text.