Research and Education Association & Uhland, W. (1991). The best test preparation for the College Board achievement test in chemistry. Research & Education Association.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Research and Education Association ба William Uhland. The Best Test Preparation for the College Board Achievement Test in Chemistry. Piscataway, N.J.: Research & Education Association, 1991.
MLA -ийн эшлэл (9 дэх хэвлэлт)Research and Education Association ба William Uhland. The Best Test Preparation for the College Board Achievement Test in Chemistry. Research & Education Association, 1991.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.