APA (7th ed.) Citation

Wilkening, K., & Wilkening, F. (1981). Quasi-experimentelle Pläne. Univ.

Chicago Style (17th ed.) Citation

Wilkening, Karin, and Friedrich Wilkening. Quasi-experimentelle Pläne. Erlangen: Univ, 1981.

MLA (9th ed.) Citation

Wilkening, Karin, and Friedrich Wilkening. Quasi-experimentelle Pläne. Univ, 1981.

Warning: These citations may not always be 100% accurate.