APA-ийн эшлэл(7 дахь хэвлэлт)

Falkowski, L. S. (1978). Presidents, secretaries of state, and crises in U.S. foreign: Relations : a model and predictive analysis. Westview Pr..

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Falkowski, Lawrence S. Presidents, Secretaries of State, and Crises in U.S. Foreign: Relations : a Model and Predictive Analysis. Boulder, Colo.: Westview Pr., 1978.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Falkowski, Lawrence S. Presidents, Secretaries of State, and Crises in U.S. Foreign: Relations : a Model and Predictive Analysis. Westview Pr., 1978.