Ardales, V. B. (1992). Basic concepts and methods in research. Great Books Trading.
Chicago Style (17th ed.) CitationArdales, Venancio B. Basic Concepts and Methods in Research. Quezon City: Great Books Trading, 1992.
ציטוט MLAArdales, Venancio B. Basic Concepts and Methods in Research. Great Books Trading, 1992.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.