Horwath, Ernest B.
Hotel accounting
Ronald Press, 1970
 Buku Teks
Horwath, Ernest B.
Hotel accounting
John Wiley & Sons, 1977
 Buku Teks
Predy Pujiono
Analisis pajak pertambahan nilai atas penyerahan jasa reservasi hotel melalui online travel agent = Value added tax analysis on the delivery of hotel reservation services throught online travel agent
2018
 UI - Skripsi Membership
Hotel management and operations/ edited by Denney G. Rutherford
Van Nostrand Reinhold, 1995
 Buku Teks
Salsya Berin Citranagari
Pelindungan Hukum terhadap Konsumen Pengguna Jasa Pemesanan Tempat Penginapan melalui Online Travel Agent (OTA): Studi Perbandingan Pengaturan di Indonesia dan India = Legal Protection of Consumer of Lodging Booking Services through Online Travel Agents (OTA): Comparative Study of Regulation in Indonesia and India
Fakultas Hukum Universitas Indonesia, 2023
 UI - Skripsi Membership