(1963). Т. 21: Химия угля. 1963.
Chicago Style (17th ed.) CitationТ. 21: Химия угля. 1963, 1963.
MLA (9th ed.) CitationТ. 21: Химия угля. 1963, 1963.
Warning: These citations may not always be 100% accurate.
APA (7th ed.) Citation