S. Castroviejo (2009). «Tribulus terrestris». Zygophyllaceae. – In: Euro+Med Plantbase - the information resource for Euro-Mediterranean plant diversity. Besøkt 2. mars 2016.
doi.org
V.K. Neychev og V.I. Mitev (2005). «The aphrodisiac herb Tribulus terrestris does not influence the androgen production in young men». J. Ethnopharmacol. 101 (1–3): 319–323. OCLC222763656. PMID15994038. doi:10.1016/j.jep.2005.05.017.
S. Rogerson m.fl. (2007). «The effect of five weeks of Tribulus terrestris supplementation on muscle strength and body composition during preseason training in elite rugby league players». J. Strength Cond. Res. 21 (2): 348–353. ISSN1064-8011. PMID17530942. doi:10.1519/R-18395.1.
floraiberica.es
«Tribulus». Flora iberica(PDF) (på spansk). IX. Madrid: RJB/CSIC. s. 159–162.
V.K. Neychev og V.I. Mitev (2005). «The aphrodisiac herb Tribulus terrestris does not influence the androgen production in young men». J. Ethnopharmacol. 101 (1–3): 319–323. OCLC222763656. PMID15994038. doi:10.1016/j.jep.2005.05.017.
S. Rogerson m.fl. (2007). «The effect of five weeks of Tribulus terrestris supplementation on muscle strength and body composition during preseason training in elite rugby league players». J. Strength Cond. Res. 21 (2): 348–353. ISSN1064-8011. PMID17530942. doi:10.1519/R-18395.1.
V.K. Neychev og V.I. Mitev (2005). «The aphrodisiac herb Tribulus terrestris does not influence the androgen production in young men». J. Ethnopharmacol. 101 (1–3): 319–323. OCLC222763656. PMID15994038. doi:10.1016/j.jep.2005.05.017.
S. Rogerson m.fl. (2007). «The effect of five weeks of Tribulus terrestris supplementation on muscle strength and body composition during preseason training in elite rugby league players». J. Strength Cond. Res. 21 (2): 348–353. ISSN1064-8011. PMID17530942. doi:10.1519/R-18395.1.