Gaya APA
Hampson, J., Hanssen, S. (2009).
Electrical trade principles: a practical approach (Ed.2).
(4) Organisasi Perusahaan: Teo:
Pusat Penelitian Kelapa Sawit.
Gaya MLA
Hampson, J., Hanssen, S..
Electrical trade principles: a practical approach.
Ed.2
(4) Organisasi Perusahaan: Teo:
Pusat Penelitian Kelapa Sawit,
2009.
Text.