APA
Dan Fendel, . (2000). Interactive Mathematics Program Year 4. U.S.A: Steven Rusmusssen.
Chicago
Dan Fendel, . 2000. Interactive Mathematics Program Year 4. U.S.A: Steven Rusmusssen.
Harvard
Dan Fendel, . (2000). Interactive Mathematics Program Year 4. U.S.A: Steven Rusmusssen.
MLA
Dan Fendel, . Interactive Mathematics Program Year 4. U.S.A: Steven Rusmusssen. 2000.