Gaya APA
GALLUP, Alec M, PROCTOR, William, GALLUP, George. (1986).
The Great American success story : factors that affect achievement .
Homewood:
Dow Jones-Irwin.
Gaya Chicago
GALLUP, Alec M, PROCTOR, William, GALLUP, George.
The Great American success story : factors that affect achievement.
Homewood:
Dow Jones-Irwin,
1986.
Text.
Gaya MLA
GALLUP, Alec M, PROCTOR, William, GALLUP, George.
The Great American success story : factors that affect achievement.
Homewood:
Dow Jones-Irwin,
1986.
Text.
Gaya Turabian
GALLUP, Alec M, PROCTOR, William, GALLUP, George.
The Great American success story : factors that affect achievement.
Homewood:
Dow Jones-Irwin,
1986.
Print.