DIN EN ISO 24801-1-2014 娱乐潜水服务. 娱乐水中呼吸器潜水员培训要求. 第1部分: 1级-监督潜水员(ISO 24801-1-2014); 德文版本EN ISO 24801-1-2014
Recreational diving services - Requirements for the training of recreational scuba divers - Part 1: Level 1 - Supervised diver (ISO 24801-1:2014); German version EN ISO 24801-1:2014