You can use the Posts 2 Posts plugin . More Solution options - get_option returns undesired blank instance of a widget in WordPress custom post types - I changed post_type and now I receive 404 errors in WordPress Advice on setting up a site with front end registration in WordPress query posts - Trouble with get_next_post() get_previous_post() returning null in WordPress admin - Getting Rid of the WordPress.com Toolbar on Other Sites? in WordPress Reffered: https://wordpress.org/
