APA-ийн эшлэл(7 дахь хэвлэлт)

Stemp, P., & Herbert, R. (2003). Solving a saddlepath unstable model with complex-valued eigenvalues. University of Oxford.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Stemp, P., ба R. Herbert. Solving a Saddlepath Unstable Model with Complex-valued Eigenvalues. University of Oxford, 2003.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Stemp, P., ба R. Herbert. Solving a Saddlepath Unstable Model with Complex-valued Eigenvalues. University of Oxford, 2003.