Upender Narayan Singh. Hindi ki pragatisheel kavita. Hindi sahitya sansar.
Chicago Edition CitationUpender Narayan Singh. Hindi Ki Pragatisheel Kavita. Delhi: Hindi sahitya sansar.
MLA引文Upender Narayan Singh. Hindi Ki Pragatisheel Kavita. Hindi sahitya sansar.
警告:這些引文格式不一定是100%准確.