Cita APA (7a ed.)

DOERFFER, P., & SZWABA, R. (2008). FOREWORD. Gdańsk University of Technology.

Cita Chicago Style (17a ed.)

DOERFFER, PIOTR, y RYSZARD SZWABA. FOREWORD. Gdańsk University of Technology, 2008.

Cita MLA (9a ed.)

DOERFFER, PIOTR, y RYSZARD SZWABA. FOREWORD. Gdańsk University of Technology, 2008.