Lua APA (7ú heag.)
Song, H., & Witt, S. F. (2000). Tourism demand modelling and forecasting: Modern econometric approaches. Pergamon.
Lua i Stíl Chicago (17ú heag.)
Song, Haiyan, agus Stephen F. Witt. Tourism Demand Modelling and Forecasting: Modern Econometric Approaches. Amsterdam ; New York: Pergamon, 2000.
Lua MLA (9ú heag.)
Song, Haiyan, agus Stephen F. Witt. Tourism Demand Modelling and Forecasting: Modern Econometric Approaches. Pergamon, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.