1. Code-mixing and code choice: a Hong Kong case study Gibbons, John, 1946- Clevedon, Avon, England ; Multilingual Matters, c1987. ENG250
2. Decoding the ethics code: a practical guide for psychologists Fisher, Celia B., Thousand Oaks, California : SAGE Publications, Inc., [2023] CP541 PSY402 PSY412
