Cruz, F. R. (1974). A study of difficulties in algebra among college students at the Philippine Normal College, 1973-1974. s.n].
Style de citation Chicago (17e éd.)Cruz, Francis Reyes. A Study of Difficulties in Algebra Among College Students at the Philippine Normal College, 1973-1974. [Quezon City: s.n], 1974.
Style de citation MLA (9e éd.)Cruz, Francis Reyes. A Study of Difficulties in Algebra Among College Students at the Philippine Normal College, 1973-1974. s.n], 1974.
Attention : ces citations peuvent ne pas être correctes à 100%.