Cita APA (7a ed.)
Krulik, S. (1971). A handbook of aids for teaching junior-senior high school mathematics. Saunders.
Cita Chicago Style (17a ed.)
Krulik, Stephen. A Handbook of Aids for Teaching Junior-senior High School Mathematics. Philadelphia: Saunders, 1971.
Cita MLA (9a ed.)
Krulik, Stephen. A Handbook of Aids for Teaching Junior-senior High School Mathematics. Saunders, 1971.
Precaución: Estas citas no son 100% exactas.