Cita APA (7th ed.)

Schwartz, D. J. (1977). Marketing today a basic approach (2a. ed.). Harcourt Brace Jovanovich.

Cita Chicago (17th ed.)

Schwartz, David J. Marketing Today a Basic Approach. 2a. ed. Nueva York: Harcourt Brace Jovanovich, 1977.

Cita MLA (9th ed.)

Schwartz, David J. Marketing Today a Basic Approach. 2a. ed. Harcourt Brace Jovanovich, 1977.