JENNIFER LAFFAN; DAVID BROUWER. (2020). TRACTORS: A practical guide. TOCAL COLLEGE, NSW DPI.
芝加哥风格引文JENNIFER LAFFAN; DAVID BROUWER. TRACTORS: A Practical Guide. [S.l.]: TOCAL COLLEGE, NSW DPI, 2020.
MLA引文JENNIFER LAFFAN; DAVID BROUWER. TRACTORS: A Practical Guide. TOCAL COLLEGE, NSW DPI, 2020.
警告：这些引文格式不一定是100％准确.