Ackland, D., & Freeburg, J. (1989). Insight guides: Texas /Diana Ackland and Jamie Freeburg. APA Pub.
芝加哥风格引文Ackland, Diana, 与 Jamie Freeburg. Insight Guides: Texas /Diana Ackland and Jamie Freeburg. Singapore: APA Pub, 1989.
MLA引文Ackland, Diana, 与 Jamie Freeburg. Insight Guides: Texas /Diana Ackland and Jamie Freeburg. APA Pub, 1989.
警告：这些引文格式不一定是100％准确.