Замените данные словосочетания на словосочетания в притяжательном падеже.Model: the work of

Поменяйте данные словосочетания на словосочетания в притяжательном падеже.
Model: the work of a student a students work;
the club of students students club.

The books of John, the tutors of these students, the paper of a student, the library of the university, the members of a college, a postgraduate of the economics department, the name of the boy, the names of those students, the traditions of our faculty, the room of Mary, the name of his wife.