APA (7th ed.) Zitazioa
Kiarie, S. (2009). Estimating inbound tourism demand for Kenya: The gravity approach. KIPPRA.
Chicago Style (17th ed.) Zitazioa
Kiarie, Simon. Estimating Inbound Tourism Demand for Kenya: The Gravity Approach. Nairobi: KIPPRA, 2009.
MLA (9th ed.) Zitazioa
Kiarie, Simon. Estimating Inbound Tourism Demand for Kenya: The Gravity Approach. KIPPRA, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.