Foster, Dennis L.
Sales and marketing for the travel professional / Dennis L. Foster
Glencoe , 1993
 Buku Teks
Foster, Dennis L.
Sales and marketing for the travel profesional / Dennis L. Foster, penerjemah Tri Budhi Sastrio
RajaGrafindo Persada, 2000
 Buku Teks
Hendra
Analisis efek pengurangan komisi terhadap penjualan agen perjalanan di pasar domestik, studi kasus: PT Garuda Indonesia (Persero) Tbk = Analysis of commission reduction effects to the travel agent's sales in the domestic market, case study: PT Garuda Indonesia (Persero) Tbk
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2019
 UI - Tesis (Membership)
Middleton, Victor T.C.
Marketing in travel and tourism
Butterworth-Heinemann, 2000
 Buku Teks
Bimana Novantara
Dunia dalam cerita sastra perjalanan agustinus wibowo sebagai perayaan hidup tiga anggota goodreads indonesia = The world in stories agustinus wibowo s travel writing as a life celebration of three goodreads indonesia members
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2014
 UI - Skripsi Membership