(2023). Skills for the TOEFL iBT test: Listening and speaking (Second edition.). Collins.
Chicago Style (17th ed.) CitationSkills for the TOEFL IBT Test: Listening and Speaking. Second edition. Glasgow: Collins, 2023.
MLA (9th ed.) CitationSkills for the TOEFL IBT Test: Listening and Speaking. Second edition. Collins, 2023.
Warning: These citations may not always be 100% accurate.