Corbett, Jim
English for international banking and finance / Jim Corbett
Cambridge University Press , 1990
 Buku Teks
Denia Oktaviani
Types of corrective feedback in listening and speaking classroom = Tipe koreksi langsung pada kelas verbal
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2017
 UI - Makalah dan Kertas Kerja
Dowling, Barbara Tolley
Business concepts for English practice
Newbury House Publishers , 1982
 Buku Teks
Voiles, Price R.
Business English essentials / Price R. Voiles
Glencoe, 1993
 Buku Teks
Dona Kumala Shinta
Penerapan umpan balik korektif melalui rekaman terhadap pemelajar bahasa Inggris di kelas listening and speaking: Studi kasus = The implementation of implicit corrective feedback through recordings towards efl students in listening and speaking English class: Case study.
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2021
 UI - Tesis (Membership)