reference material sentence in Hindi

Examples

1. Moreover , while writing what was essentially a historical narrative he had to draw largely from his memory in the absence of adequate reference material at his disposal .
   उस पर भी वह पुस्तक-जो ऐतिहासिक आख़्यान थी-लिखते समय पर्याप्त संदर्भ-सामग्री उपलब्ध नहीं थी और अपनी समृति पर ही बेहद बोझ डालना पड़ा था .