APA
Marjorie M. Petit; Robert E. Laird; Matthew F. Wyneken; Frances R. Huntoon; Mary D. Abele-Austin; Jean D. Sequeira, .A Focus on Ratios and Proportions. : Taylor and Francis.
Chicago
Marjorie M. Petit; Robert E. Laird; Matthew F. Wyneken; Frances R. Huntoon; Mary D. Abele-Austin; Jean D. Sequeira, .A Focus on Ratios and Proportions. : Taylor and Francis.
Harvard
Marjorie M. Petit; Robert E. Laird; Matthew F. Wyneken; Frances R. Huntoon; Mary D. Abele-Austin; Jean D. Sequeira, .A Focus on Ratios and Proportions. : Taylor and Francis.
MLA
Marjorie M. Petit; Robert E. Laird; Matthew F. Wyneken; Frances R. Huntoon; Mary D. Abele-Austin; Jean D. Sequeira, .: Taylor and Francis. .
