Cita APA

Preiss, S., & Kramer, A. (2011). Foot-operated door opener to eliminate the door handle as a source of contamination. German Medical Science GMS Publishing House.

Chicago Style Citation

Preiss, Stefan, i Axel Kramer. Foot-operated Door Opener to Eliminate the Door Handle As a Source of Contamination. German Medical Science GMS Publishing House, 2011.

Cita MLA

Preiss, Stefan, i Axel Kramer. Foot-operated Door Opener to Eliminate the Door Handle As a Source of Contamination. German Medical Science GMS Publishing House, 2011.