Παραπομπή σε μορφή APA (7η εκδ.)

Say, M. G., Say, L. P., & Hilario, R. N. (1988). Corporate credit rating (1988 edition.). Mahal Kong Pilipinas Foundation, Inc.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Say, Michael G., Luz P. Say, και Rolando N. Hilario. Corporate Credit Rating. 1988 edition. Manila: Mahal Kong Pilipinas Foundation, Inc, 1988.

Παραπομπή σε μορφή MLA (9th εκδ.)

Say, Michael G., et al. Corporate Credit Rating. 1988 edition. Mahal Kong Pilipinas Foundation, Inc, 1988.