Boon, W. H. (1984). Genes and the I.Q. Singapore: PG Publishing Pte Ltd.
Trích dẫn kiểu ChicagoBoon, Wong Hock. Genes and the I.Q. Singapore: PG Publishing Pte Ltd, 1984.
MLA引文Boon, Wong Hock. Genes and the I.Q. Singapore: PG Publishing Pte Ltd, 1984.
警告：这些引文格式不一定是100％准确.