Gaya APA
SCHELL, Frank R. (1980).
Practical problems in mathematics (-).
New York:
Delmar.
Gaya Chicago
SCHELL, Frank R.
Practical problems in mathematics.
-
New York:
Delmar,
1980.
UMUM.
Gaya MLA
SCHELL, Frank R.
Practical problems in mathematics.
-
New York:
Delmar,
1980.
UMUM.
Gaya Turabian
SCHELL, Frank R.
Practical problems in mathematics.
-
New York:
Delmar,
1980.
UMUM.