Gaya APA

Heard, B, J. (2008). Handbook of firearms and ballistics - Examining and interpreting forensic evidence (2). Singapore: Wiley-Blackwell.

Gaya MLA

Heard, Brian, J.. "Handbook of firearms and ballistics - Examining and interpreting forensic evidence". 2 Singapore: Wiley-Blackwell, 2008. Buku Analog.