Simon Wong, Chak Keung. A study of pre-trip use of travel guidebooks by leisure travelers / Chak Keung Simon Wong, Fung Ching Gladys Liu. - 2011. // Tourism management : research - policies - practice. Vol. 32 (2011), No. 3
Lo, Ada. Information search behavior of Hong Kong's inbound travelers-A comparison of business and leisure travelers / Ada Lo, Catherine Cheung, Rob Law. - 2002. // Journal of travel & tourism marketing OTPIS 2021. Vol. 13 (2002), No. 3