Gaya APA
LAPP,Ralph E. (1963).
Matter .
New York:
Time Incorporated.
Gaya Chicago
LAPP,Ralph E.
Matter.
New York:
Time Incorporated,
1963.
Teks.
Gaya MLA
LAPP,Ralph E.
Matter.
New York:
Time Incorporated,
1963.
Teks.
Gaya Turabian
LAPP,Ralph E.
Matter.
New York:
Time Incorporated,
1963.
Teks.