(1966). The book of popular science. New York: Grolier.
Παραπομπή Chicago StyleThe Book of Popular Science. New York: Grolier, 1966.
ציטוט MLAThe Book of Popular Science. New York: Grolier, 1966.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.
(1966). The book of popular science. New York: Grolier.
Παραπομπή Chicago StyleThe Book of Popular Science. New York: Grolier, 1966.
ציטוט MLAThe Book of Popular Science. New York: Grolier, 1966.