APA
Richard A. Denholm, Donald D. Hankins, . (19781975). Mathematics for Individual Achievement. United States of America: Houghton Mifflin Company.
Chicago
Richard A. Denholm, Donald D. Hankins, . 19781975. Mathematics for Individual Achievement. United States of America: Houghton Mifflin Company.
Harvard
Richard A. Denholm, Donald D. Hankins, . (19781975). Mathematics for Individual Achievement. United States of America: Houghton Mifflin Company.
MLA
Richard A. Denholm, Donald D. Hankins, . Mathematics for Individual Achievement. United States of America: Houghton Mifflin Company. 19781975.