Gupta , I. (1995). Tourism products of India. G.A.pub.
芝加哥风格引文Gupta , I. Tourism Products of India. Indore: G.A.pub, 1995.
MLA引文Gupta , I. Tourism Products of India. G.A.pub, 1995.
警告：这些引文格式不一定是100％准确.
APA引文
Gupta , I. (1995). Tourism products of India. G.A.pub.
芝加哥风格引文Gupta , I. Tourism Products of India. Indore: G.A.pub, 1995.
MLA引文Gupta , I. Tourism Products of India. G.A.pub, 1995.