APA

Peterson F., . (19). Survey of labor economics. New York [u.a.]: Harper.

Chicago

Peterson Florence, . 19. Survey of labor economics. New York [u.a.]: Harper.

Harvard

Peterson F., . (19). Survey of labor economics. New York [u.a.]: Harper.

MLA

Peterson Florence, . Survey of labor economics. New York [u.a.]: Harper. 19.