Polikarov, A. (1983). Methodological problems of science: The iteration cycle : science--methodology of science. Publishing House of the Bulgarian Academy of Sciences.
Citazione stile Chigago Style (17a edizione)Polikarov, A. Methodological Problems of Science: The Iteration Cycle : Science--methodology of Science. Sofia: Publishing House of the Bulgarian Academy of Sciences, 1983.
Citatione MLA (9a ed.)Polikarov, A. Methodological Problems of Science: The Iteration Cycle : Science--methodology of Science. Publishing House of the Bulgarian Academy of Sciences, 1983.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.