APA
LARSON L. C., Katalin Bencsath dan Paul R. Halmos, . (1937). Problem-Solving Through Problems. Amerika: Departement Of Mathematics.
Chicago
LARSON Loren C, Katalin Bencsath dan Paul R. Halmos, . 1937. Problem-Solving Through Problems. Amerika: Departement Of Mathematics.
Harvard
LARSON L. C., Katalin Bencsath dan Paul R. Halmos, . (1937). Problem-Solving Through Problems. Amerika: Departement Of Mathematics.
MLA
LARSON Loren C, Katalin Bencsath dan Paul R. Halmos, . Problem-Solving Through Problems. Amerika: Departement Of Mathematics. 1937.