Gaya APA

Tetley, L., Calcutt, D. (2001). Electronic Navigation Systems Third Edition (Ed. 3). United Kingdom: Penerbit Butterworth Heinemann.

Gaya MLA

Tetley, L., Calcutt, D.. "Electronic Navigation Systems Third Edition". Ed. 3 United Kingdom: Penerbit Butterworth Heinemann, 2001. Text.