APA ציטוט
Leedy, P. D. (1992). Practical research: Planning and design (5th ed.). Prentice Hall.
Chicago Style (17th ed.) Citation
Leedy, Paul D. Practical Research: Planning and Design. 5th ed. New Jersey: Prentice Hall, 1992.
ציטוט MLA
Leedy, Paul D. Practical Research: Planning and Design. 5th ed. Prentice Hall, 1992.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.