Scientific American. (1969). Readings in the earth science (14th ed.). W H Freeman.
Chicago Edition CitationScientific American. Readings in the Earth Science. 14th ed. San Francisco: W H Freeman, 1969.
ציטוט MLAScientific American. Readings in the Earth Science. 14th ed. W H Freeman, 1969.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.