Παραπομπή σε μορφή APA (7η εκδ.)

Lipman, J., & Gau, Y. (1988). Topological invariants of quasi-ordinary singularities. Embedded topological classification of quasi-ordinary singularities. American Mathematical Society.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Lipman, Joseph, και Yih-Nan Gau. Topological Invariants of Quasi-ordinary Singularities. Embedded Topological Classification of Quasi-ordinary Singularities. Rhode island: American Mathematical Society, 1988.

Παραπομπή σε μορφή MLA (9th εκδ.)

Lipman, Joseph, και Yih-Nan Gau. Topological Invariants of Quasi-ordinary Singularities. Embedded Topological Classification of Quasi-ordinary Singularities. American Mathematical Society, 1988.