Cita APA (7a ed.)
Harmer, J., & Surguine, H. COAST TO COAST: WORKBOOK 1.
Cita estilo Chicago (17a ed.)
Harmer, Jeremy, y Harold Surguine. COAST TO COAST: WORKBOOK 1.
Cita MLA (9a ed.)
Harmer, Jeremy, y Harold Surguine. COAST TO COAST: WORKBOOK 1.
警告：這些引文格式不一定是100％准確.