389326 Kolev, T. (2008). Quantum chemical, spectroscopic and structural study of hydrochlorides, hydrogens squarates and ester amides of squaric acid of amina. New York : Nova Science Publishers.
Chicago-viite (17. p.)389326 Kolev, Tsonko. Quantum Chemical, Spectroscopic and Structural Study of Hydrochlorides, Hydrogens Squarates and Ester Amides of Squaric Acid of Amina. New York : Nova Science Publishers, 2008.
MLA-viite (9. p.)389326 Kolev, Tsonko. Quantum Chemical, Spectroscopic and Structural Study of Hydrochlorides, Hydrogens Squarates and Ester Amides of Squaric Acid of Amina. New York : Nova Science Publishers, 2008.
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