Cita APA

Rummel, J. F., & Ballaine, W. C. (1963). Research methodology in business. Harper & row.

Chicago Edition Citation

Rummel, J. Francis, i Wesley C. Ballaine. Research Methodology in Business. New York: Harper & row, 1963.

Cita MLA

Rummel, J. Francis, i Wesley C. Ballaine. Research Methodology in Business. Harper & row, 1963.