Comparing approximate methods for mock catalogues and covariance matrices - III: bispectrum - Colavincenzo, Manuel; Sefusatti, Emiliano; Monaco, Pierluigi; Blot, Linda; Crocce, Martin; Lippich, Martha; Sanchez, Ariel G.; Alvarez, Marcelo A.; Agrawal, Aniket; Avila, Santiago; Balaguera-Antolinez, Andres; Bond, Richard; et al. (Monthly Notices Of The Royal Astronomical Society, 2019)