APA-ийн эшлэл(7 дахь хэвлэлт)

Howison, S., Loutsenko, I., & Ockendon, J. (2007). A class of exactly solvable free-boundary inhomogeneous porous medium flows.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Howison, S., I. Loutsenko, ба J. Ockendon. A Class of Exactly Solvable Free-boundary Inhomogeneous Porous Medium Flows. 2007.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Howison, S., et al. A Class of Exactly Solvable Free-boundary Inhomogeneous Porous Medium Flows. 2007.