Penggayaan APA
PHILLIPS, Donald T.. (1992).
Lincoln on leadership .
New York:
Warner Books.
Chicago Style
PHILLIPS, Donald T..
Lincoln on leadership.
New York:
Warner Books,
1992.
Text.
MLA Style
PHILLIPS, Donald T..
Lincoln on leadership.
New York:
Warner Books,
1992.
Text.
Turabian Style
PHILLIPS, Donald T..
Lincoln on leadership.
New York:
Warner Books,
1992.
Print.