APA
Dan Fendel, . (2004). Interactive Mathematics in Program Year 2. USA: Steven Rustnussen.
Chicago
Dan Fendel, . 2004. Interactive Mathematics in Program Year 2. USA: Steven Rustnussen.
Harvard
Dan Fendel, . (2004). Interactive Mathematics in Program Year 2. USA: Steven Rustnussen.
MLA
Dan Fendel, . Interactive Mathematics in Program Year 2. USA: Steven Rustnussen. 2004.