Παραπομπή APA

Tetley, L., & Calcutt, D. (2001). Electronic navigation systems (3rd ed.). Butterworth-Heinemann.

Παραπομπή Chicago Style

Tetley, Laurie, και David Calcutt. Electronic Navigation Systems. 3rd ed. Oxford: Butterworth-Heinemann, 2001.

Παραπομπή MLA

Tetley, Laurie, και David Calcutt. Electronic Navigation Systems. 3rd ed. Butterworth-Heinemann, 2001.