APA-ийн эшлэл(7 дахь хэвлэлт)

Berg, C., Christensen, J. P., & Ressel, P. (1984). Harmonic analysis on semigroups: Theory of positive definite and related functions. Springer.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Berg, Christian, Jens Peter Christensen, ба Paul Ressel. Harmonic Analysis on Semigroups: Theory of Positive Definite and Related Functions. Nueva York: Springer, 1984.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Berg, Christian, et al. Harmonic Analysis on Semigroups: Theory of Positive Definite and Related Functions. Springer, 1984.