Gaya APA
CASTILLO, (2014).
STRATEGIES, TECHNIQUES & APPROACHES TO CRITICAL THINKING (5 EDITION).
United Kingdom UK:
Elsevier.
Gaya MLA
CASTILLO, .
"STRATEGIES, TECHNIQUES & APPROACHES TO CRITICAL THINKING".
5 EDITION
United Kingdom UK:
Elsevier,
2014.
Buku Inti.