Peeva, I. (2011). Graded syzygies. Springer.
Chicago Style (17th ed.) CitationPeeva, Irena. Graded Syzygies. London, New York: Springer, 2011.
MLA (9th ed.) CitationPeeva, Irena. Graded Syzygies. Springer, 2011.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.