Abbs, B. (1982). Opening Strategies: Strategies 1. Longman.
Cita Chicago Style (17a ed.)Abbs, Brian. Opening Strategies: Strategies 1. Essex: Longman, 1982.
Cita MLA (9a ed.)Abbs, Brian. Opening Strategies: Strategies 1. Longman, 1982.
警告：這些引文格式不一定是100％准確.