APA aipamena

Bartlett, R. E. (1997). Preparing International Proposals Robert E. Bartlett. Thomas Telford.

Chicago Style aipamena

Bartlett, Robert E. Preparing International Proposals Robert E. Bartlett. Thomas Telford, 1997.

MLA aipamena

Bartlett, Robert E. Preparing International Proposals Robert E. Bartlett. Thomas Telford, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.