Cita APA (7a ed.)

SCHAAF, W. L. (1966). Basic concepts of elementary mathematies - William L Schaaf. John wiley&Sons.

Cita Chicago Style (17a ed.)

SCHAAF, William L. Basic Concepts of Elementary Mathematies - William L Schaaf. John wiley&Sons, 1966.

Cita MLA (8a ed.)

SCHAAF, William L. Basic Concepts of Elementary Mathematies - William L Schaaf. John wiley&Sons, 1966.