1. Denise Brookman Top Executives Can Add Punch to Purchasing Purchasing 1975 33 37
2. Chief Executives Ask Purchasing's Help in Planning the Future Purchasing 1976 57 63
3. Philip Kotler William Gregory William Rodgers The Marketing Audit Comes of Age Sloan Management Review 1977 25 44
4. Thomas Dillon Research and Planning Pay Off for Purchasing Purchasing 1975 30 35