Darren P Smith, Nissa Finney, Keith Halfacree
Routledge, 2016
Buku Teks
Miller, Katherine, author
McGraw-Hill, 2005
Buku Teks
Wentsch, Marlene, author
Springer Vieweg, 2018
eBooks
Artikel Jurnal
Rauda Intan Suryaningtyas, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2019
UI - Skripsi Membership