Gaya APA
PENNIK,Bartjan, . (2010).
The Essence of Reseacrh Methodology;a concide guide for Master and PhD Students in management science .
London:
Springer.
Gaya MLA
PENNIK,Bartjan, .
"The Essence of Reseacrh Methodology;a concide guide for Master and PhD Students in management science".
London:
Springer,
2010.
Text.