DOERFFER, P., & SZWABA, R. (2008). FOREWORD. Gdańsk University of Technology.
芝加哥风格引文DOERFFER, PIOTR, 与 RYSZARD SZWABA. FOREWORD. Gdańsk University of Technology, 2008.
MLA引文DOERFFER, PIOTR, 与 RYSZARD SZWABA. FOREWORD. Gdańsk University of Technology, 2008.
警告：这些引文格式不一定是100％准确.