Gaya APA
Jade, .
(1987).
Mathematics Today: Problem Solving Workbook
(
Ke-2)
.
Chicago:
Harcourt Brace Jovanovich.
Gaya MLA
Jade, .
"Mathematics Today: Problem Solving Workbook".
Ke-2
Chicago:
Harcourt Brace Jovanovich,
1987.
Text.