Gaya APA
Ayres, F. (1981).
Theory and Problems Differential and Integral in si Metric Units (Ed.2 C.1).
Singapore:
Schaum's Outline.
Gaya MLA
Ayres, Frank.
"Theory and Problems Differential and Integral in si Metric Units".
Ed.2 C.1
Singapore:
Schaum's Outline,
1981.
Text.