APA (7 वां संस्करण) प्रशस्ति पत्र
Болдырев В.М. Russian foliage and world organic-based energy sector in a contest of sustainable civilization development: Статья (1.).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रБолдырев В.М. Russian Foliage and World Organic-based Energy Sector in a Contest of Sustainable Civilization Development: Статья. 1.
एमएलए (8वां संस्करण) प्रशस्ति पत्रБолдырев В.М. Russian Foliage and World Organic-based Energy Sector in a Contest of Sustainable Civilization Development: Статья. 1.
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