National Council of Teachers of Mathematics. (1953). Guidance pamphlet in mathematics for high school students (Rev.). s.n.
Chicago Style (17th ed.) CitationNational Council of Teachers of Mathematics. Guidance Pamphlet in Mathematics for High School Students. Rev. Washington: s.n, 1953.
ציטוט MLANational Council of Teachers of Mathematics. Guidance Pamphlet in Mathematics for High School Students. Rev. s.n, 1953.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.