Gardner, D. (1998). Future and options. MacMillan.
Chicago Edition CitationGardner, D.C. Future and Options. New Delhi: MacMillan, 1998.
MLA引文Gardner, D.C. Future and Options. MacMillan, 1998.
警告：这些引文格式不一定是100％准确.
APA引文
Gardner, D. (1998). Future and options. MacMillan.
Chicago Edition CitationGardner, D.C. Future and Options. New Delhi: MacMillan, 1998.
MLA引文Gardner, D.C. Future and Options. MacMillan, 1998.