Gaya APA

Zawacki-Richter, O. et al (2020). Systematic Reviews in Educational Research (1st ed. 2020). : Springer Fachmedien Wiesbaden.

Gaya MLA

Zawacki-Richter, Olaf. et al. "Systematic Reviews in Educational Research". 1st ed. 2020 : Springer Fachmedien Wiesbaden, 2020. Electronic Resource.