Cita APA (7a ed.)
Pekár, J., Brezina, I., & Čičková, Z. Goal programming in location problems.
Cita Chicago Style (17a ed.)
Pekár, Juraj, Ivan Brezina, y Zuzana Čičková. Goal Programming in Location Problems.
Cita MLA (9a ed.)
Pekár, Juraj, et al. Goal Programming in Location Problems.
Precaución: Estas citas no son 100% exactas.