Gaya APA
Vulliamy, G. et al (1990).
Doing Educational Researsh in Developing Countries : Qualitative Strategies .
London:
The Falmer Press.
Gaya MLA
Vulliamy, Graham. et al.
"Doing Educational Researsh in Developing Countries : Qualitative Strategies".
London:
The Falmer Press,
1990.
Textbook.