APA

Zazkis R., Sinclair N. & Liljedahl P.Lesson play in mathematics education : a tool for research and professional development. New York : Springer New York, 2013: .

Chicago

Zazkis Rina, Sinclair Nathalie and Liljedahl Peter.Lesson play in mathematics education : a tool for research and professional development. New York : Springer New York, 2013: .

Harvard

Zazkis R., Sinclair N. and Liljedahl P.Lesson play in mathematics education : a tool for research and professional development. New York : Springer New York, 2013: .

MLA

Zazkis Rina, Sinclair Nathalie and Liljedahl Peter.New York : Springer New York, 2013: . .