APA-Zitierstil (7. Ausg.)

Rueda, . J. (2021). Toefl preparation book 2022-2023: Exam study guide with 3 toefl ibt practice tests for reading, listening, speaking, and writing/essay [includes audio links]. ‎ Test Prep Books,.

Chicago-Zitierstil (17. Ausg.)

Rueda, Joshua. Toefl Preparation Book 2022-2023: Exam Study Guide with 3 Toefl Ibt Practice Tests for Reading, Listening, Speaking, and Writing/essay [includes Audio Links]. Not mentioned: ‎ Test Prep Books,, 2021.

MLA-Zitierstil (9. Ausg.)

Rueda, Joshua. Toefl Preparation Book 2022-2023: Exam Study Guide with 3 Toefl Ibt Practice Tests for Reading, Listening, Speaking, and Writing/essay [includes Audio Links]. ‎ Test Prep Books,, 2021.