Παραπομπή σε μορφή APA (7η εκδ.)

Engelhardt, D. (2022). Perfect phrases for ESL conversation skills: Hundreds of ready-to-use phrases that help you express your thoughts, ideas, and feelings in English conversations of all types (Premium third edition.). McGraw Hill.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Engelhardt, Diane. Perfect Phrases for ESL Conversation Skills: Hundreds of Ready-to-use Phrases That Help You Express Your Thoughts, Ideas, and Feelings in English Conversations of All Types. Premium third edition. New York: McGraw Hill, 2022.

Παραπομπή σε μορφή MLA (9th εκδ.)

Engelhardt, Diane. Perfect Phrases for ESL Conversation Skills: Hundreds of Ready-to-use Phrases That Help You Express Your Thoughts, Ideas, and Feelings in English Conversations of All Types. Premium third edition. McGraw Hill, 2022.