APA-viite (7. p.)

Foley, M., & Hall, D. (2003). Longman. Advanced learners' grammar: A self-study reference & practice book with answers. Pearson Education Limited.

Chicago-viite (17. p.)

Foley, Mark, ja Diane Hall. Longman. Advanced Learners' Grammar: A Self-study Reference & Practice Book with Answers. Essex: Pearson Education Limited, 2003.

MLA-viite (9. p.)

Foley, Mark, ja Diane Hall. Longman. Advanced Learners' Grammar: A Self-study Reference & Practice Book with Answers. Pearson Education Limited, 2003.