Hypernyms for "reference"

allusion annual argument atlas bench mark benchmark book of maps buoy cookbook cookery book cross-index cross-reference cyclopaedia cyclopedia directory enchiridion encyclopaedia encyclopedia handbook instruction book landmark lubber line lubber''s line lubber''s mark lubber''s point map collection mark name-dropping parameter photo credit retrospection source book target uniform resource locator universal resource locator URL vade mecum white line wordbook yearbook yearly