Gaya APA
Schoen, ., Marcucci, . (1982).
Instructor's manual for elementary algebra through problem solving (Cet.9).
San Francisco:
Holden day.
Gaya MLA
Schoen, ., Marcucci, .
"Instructor's manual for elementary algebra through problem solving".
Cet.9
San Francisco:
Holden day,
1982.
Text.