Παραπομπή APA

Upender Narayan Singh. Hindi ki pragatisheel kavita. Hindi sahitya sansar.

Παραπομπή Chicago Style

Upender Narayan Singh. Hindi Ki Pragatisheel Kavita. Delhi: Hindi sahitya sansar.

Παραπομπή MLA

Upender Narayan Singh. Hindi Ki Pragatisheel Kavita. Hindi sahitya sansar.