Gaya APA

Bollinger, John G.. (1992). Contemporary issues in the engineering profession fall 1992. . : [s.n].

Gaya Chicago

Bollinger, John G.. Contemporary issues in the engineering profession fall 1992.. : [s.n], 1992. Text.

Gaya MLA

Bollinger, John G.. Contemporary issues in the engineering profession fall 1992.. : [s.n], 1992. Text.

Gaya Turabian

Bollinger, John G.. Contemporary issues in the engineering profession fall 1992.. : [s.n], 1992. Print.