Gruber, D., & Dunn, V. Writing. Elementary.
Chicago Style (17th ed.) CitationGruber, Diann, and Viviane Dunn. Writing. Elementary.
MLA引文Gruber, Diann, and Viviane Dunn. Writing. Elementary.
警告：這些引文格式不一定是100％准確.
APA引文
Gruber, D., & Dunn, V. Writing. Elementary.
Chicago Style (17th ed.) CitationGruber, Diann, and Viviane Dunn. Writing. Elementary.
MLA引文Gruber, Diann, and Viviane Dunn. Writing. Elementary.