APA

International standard. ISO 4251/1, . (1980). Tyres and rims (existing series) for agricultural tractors and machines. Part 1. Geneve: International standard. ISO 4251/1.

Chicago

International standard. ISO 4251/1, . 1980. Tyres and rims (existing series) for agricultural tractors and machines. Part 1. Geneve: International standard. ISO 4251/1.

Harvard

International standard. ISO 4251/1, . (1980). Tyres and rims (existing series) for agricultural tractors and machines. Part 1. Geneve: International standard. ISO 4251/1.

MLA

International standard. ISO 4251/1, . Tyres and rims (existing series) for agricultural tractors and machines. Part 1. Geneve: International standard. ISO 4251/1. 1980.