APA-referens (7:e uppl.)

Hu, Z. (1993). The Yield Curve and Real Activity. International Monetary Fund.

Chicago-referens (17:e uppl.)

Hu, Zuliu. The Yield Curve and Real Activity. Washington, D.C.: International Monetary Fund, 1993.

MLA-referens (8:e uppl.)

Hu, Zuliu. The Yield Curve and Real Activity. International Monetary Fund, 1993.