DOKTOR INŻYNIER JERZY SACAŁA (1962-2015).

MLA

Biernacki, Marek, et al. “DOKTOR INŻYNIER JERZY SACAŁA (1962-2015). (Polish).” Didactics of Mathematics, no. 12, Jan. 2015, pp. 136–43. EBSCOhost, widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=edb&AN=118090286&authtype=sso&custid=ns315887.

APA

Biernacki, M., Smoluk, A., & Szlachcic, E. (2015). DOKTOR INŻYNIER JERZY SACAŁA (1962-2015). (Polish). Didactics of Mathematics, 12, 136–143.

Chicago

Biernacki, Marek, Antoni Smoluk, and Elżbieta Szlachcic. 2015. “DOKTOR INŻYNIER JERZY SACAŁA (1962-2015). (Polish).” Didactics of Mathematics, no. 12 (January): 136–43. http://widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=edb&AN=118090286&authtype=sso&custid=ns315887.