Gaya APA
C., G., L. (1975).
basic matematical Skills : a text workbook / Loyce C. Gossage (Ed.ke-2).
New York:
McGraw-Hill book company.
Gaya MLA
Gossage, Loyce, C..
"basic matematical Skills : a text workbook / Loyce C. Gossage".
Ed.ke-2
New York:
McGraw-Hill book company,
1975.
Textbook.