Gill, V. (1971). Factors affecting the reading skills of 6 1/2 to 7 year old children.
Chicago Style (17th ed.) CitationGill, Vivienne. Factors Affecting the Reading Skills of 6 1/2 to 7 Year Old Children. 1971.
MLA引文Gill, Vivienne. Factors Affecting the Reading Skills of 6 1/2 to 7 Year Old Children. 1971.
警告：这些引文格式不一定是100％准确.