Nip, M. (1987). CHEMICAL CHARACTERIZATION OF COALS, COAL MACERALS AND THEIR PRECURSORS. Technická univerzita.
Chicago Style (17th ed.) CitationNip, Margriet. CHEMICAL CHARACTERIZATION OF COALS, COAL MACERALS AND THEIR PRECURSORS. Delft: Technická univerzita, 1987.
MLA (9th ed.) CitationNip, Margriet. CHEMICAL CHARACTERIZATION OF COALS, COAL MACERALS AND THEIR PRECURSORS. Technická univerzita, 1987.
Warning: These citations may not always be 100% accurate.