Cita APA (7th ed.)

Sevin, C. H. (1965). Marketing productivity analysis. McGraw-Hill.

Cita Chicago (17th ed.)

Sevin, Charles H. Marketing Productivity Analysis. Nueva York: McGraw-Hill, 1965.

Cita MLA (9th ed.)

Sevin, Charles H. Marketing Productivity Analysis. McGraw-Hill, 1965.