Penggayaan APA
GARDNER, John W. (1990).
On leadhership .
New York:
The Free Press.
Chicago Style
GARDNER, John W.
On leadhership.
New York:
The Free Press,
1990.
Buku.
MLA Style
GARDNER, John W.
On leadhership.
New York:
The Free Press,
1990.
Buku.
Turabian Style
GARDNER, John W.
On leadhership.
New York:
The Free Press,
1990.
Buku.