(1988). The World book encyclopedia. World book.
Chicago Style (17th ed.) CitationThe World Book Encyclopedia. Chicago: World book, 1988.
ציטוט MLAThe World Book Encyclopedia. World book, 1988.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.
(1988). The World book encyclopedia. World book.
Chicago Style (17th ed.) CitationThe World Book Encyclopedia. Chicago: World book, 1988.
ציטוט MLAThe World Book Encyclopedia. World book, 1988.