APA引文

(1990). Steck-Vaughn GED exercise book: Writing skills, part two : the essay. Steck-Vaughn.

芝加哥风格引文

Steck-Vaughn GED Exercise Book: Writing Skills, Part Two : The Essay. Austin, Tex.: Steck-Vaughn, 1990.

MLA引文

Steck-Vaughn GED Exercise Book: Writing Skills, Part Two : The Essay. Steck-Vaughn, 1990.

警告：这些引文格式不一定是100％准确.