Gaya APA

Plumbing: for level 2 technical certificate and NVQ. (2007). (4) Organisasi Perusahaan: Teo: Itb Bandung.

Gaya MLA

Plumbing: for level 2 technical certificate and NVQ. ed. ii. (4) Organisasi Perusahaan: Teo: Itb Bandung, 2007. Text.