Tiwari, B. (1993). Patra Vyavahar Nirdeshika. Vani.
芝加哥风格引文Tiwari, Bholanath. Patra Vyavahar Nirdeshika. New delhi: Vani, 1993.
MLA引文Tiwari, Bholanath. Patra Vyavahar Nirdeshika. Vani, 1993.
警告：这些引文格式不一定是100％准确.
APA引文
Tiwari, B. (1993). Patra Vyavahar Nirdeshika. Vani.
芝加哥风格引文Tiwari, Bholanath. Patra Vyavahar Nirdeshika. New delhi: Vani, 1993.
MLA引文Tiwari, Bholanath. Patra Vyavahar Nirdeshika. Vani, 1993.