Cruz, C. B. (1993). College students' performance in solving several verbal problems in trigonometry and its relationship to selected variables.
Цитирование в стиле Чикаго (17-е изд.)Cruz, Carolina B. College Students' Performance in Solving Several Verbal Problems in Trigonometry and Its Relationship to Selected Variables. 1993.
Цитирование MLA (9-е изд.)Cruz, Carolina B. College Students' Performance in Solving Several Verbal Problems in Trigonometry and Its Relationship to Selected Variables. 1993.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.