Roldan, A. S. (2012). Operating and managing a hotel & restaurant business (Revised edition, 2012.). AR Skills Development and Management Services.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিRoldan, Amelia Samson. Operating and Managing a Hotel & Restaurant Business. Revised edition, 2012. Parañaque City: AR Skills Development and Management Services, 2012.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিRoldan, Amelia Samson. Operating and Managing a Hotel & Restaurant Business. Revised edition, 2012. AR Skills Development and Management Services, 2012.
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