Tech Directions. Prakken Publications.
Chicago Style (17th ed.) CitationTech Directions. Prakken Publications.
ציטוט MLATech Directions. Prakken Publications.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.
Tech Directions. Prakken Publications.
Chicago Style (17th ed.) CitationTech Directions. Prakken Publications.
ציטוט MLATech Directions. Prakken Publications.