Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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