APA-viite (7. p.)

Schary, M. A., & Kulatilaka, N. (1999). Real options: Managing strategic investment in an uncertain world. Harvard School Press.

Chicago-viite (17. p.)

Schary, Martha Amram, ja Nalin Kulatilaka. Real Options: Managing Strategic Investment in an Uncertain World. Boston: Harvard School Press, 1999.

MLA-viite (9. p.)

Schary, Martha Amram, ja Nalin Kulatilaka. Real Options: Managing Strategic Investment in an Uncertain World. Harvard School Press, 1999.