APA-čujuhus (7. p.)
Eilenberg, S., & Steenrod, N. E. (1952). Foundations of algebraic topology. Princeton University Press.
Chicago-čujuhus (17. p.)
Eilenberg, Samuel, juo Norman Earl Steenrod. Foundations of Algebraic Topology. Princeton, New Jersey: Princeton University Press, 1952.
MLA-čujuhus (9. p.)
Eilenberg, Samuel, juo Norman Earl Steenrod. Foundations of Algebraic Topology. Princeton University Press, 1952.
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