Spulber, N. (1995). The American economy: The struggle for supremacy in the 21st century. Univ.Pr..
Tohutoru Kātū Chicago (17th ed.)Spulber, Nicolas. The American Economy: The Struggle for Supremacy in the 21st Century. Cambridge: Univ.Pr., 1995.
Tohutoro MLA (9th ed.)Spulber, Nicolas. The American Economy: The Struggle for Supremacy in the 21st Century. Univ.Pr., 1995.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.