sankōto shodesu
1. Reference books.
Noun
#110946
1. Reference books.
1. reference book; study-aid book
1. books
1. library
1. reference; consultation
1. library (usu. single-room); small library
1. Wasn't a textbook.; Wasn't consulted.
1. If/when a reference book
1. Wasn't a reference book.; Wasn't a textbook.
1. Probably a textbook.; It must be a textbook.