Gaya APA
SOBEL, Max A. (1967).
Teaching general mathematics .
United States of America:
Prentice Hall.
Gaya Chicago
SOBEL, Max A.
Teaching general mathematics.
United States of America:
Prentice Hall,
1967.
Text.
Gaya MLA
SOBEL, Max A.
Teaching general mathematics.
United States of America:
Prentice Hall,
1967.
Text.
Gaya Turabian
SOBEL, Max A.
Teaching general mathematics.
United States of America:
Prentice Hall,
1967.
Print.