APA ציטוט

Moon, P. (1971). The abacus: Its history, its design, its possibilities in the modern world. Gordon and Breach Science Publishers.

Chicago Style (17th ed.) Citation

Moon, Parry. The Abacus: Its History, Its Design, Its Possibilities in the Modern World. New York: Gordon and Breach Science Publishers, 1971.

ציטוט MLA

Moon, Parry. The Abacus: Its History, Its Design, Its Possibilities in the Modern World. Gordon and Breach Science Publishers, 1971.