Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Alleman, J., & Noam, E. (1999). The New Investment Theory of Real Options and its Implication for Telecommunications Economics. Springer US.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), James Alleman, και Eli Noam. The New Investment Theory of Real Options and Its Implication for Telecommunications Economics. Boston, MA: Springer US, 1999.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. The New Investment Theory of Real Options and Its Implication for Telecommunications Economics. Springer US, 1999.