Cita APA (7a ed.)
Valsiner, J. Irreversibility of time and ontopotentiality of signs.
Cita Chicago Style (17a ed.)
Valsiner, Jaan. Irreversibility of Time and Ontopotentiality of Signs.
Cita MLA (9a ed.)
Valsiner, Jaan. Irreversibility of Time and Ontopotentiality of Signs.
Precaución: Estas citas no son 100% exactas.