LEXIS NEXIS. The National Food Security Act 2013. Lexis Nexis.
芝加哥风格引文LEXIS NEXIS. The National Food Security Act 2013. Lexis Nexis.
MLA引文LEXIS NEXIS. The National Food Security Act 2013. Lexis Nexis.
警告：这些引文格式不一定是100％准确.
APA引文