As Três Fontes do Marxismo
| Publisher | Assírio & Alvim |
| Translated by | Júlio Henriques |
| Preface by | Lucien Laurat |
| Cover/Jacket Design by | Dorindo Carvalho |
| Publisher Series | Mínima |
| Printed by | Gráfica Maiadouro |
| Format | Paperback |
| Language | Portuguese |
| Location | Portugal |
| Printed | 1975-04 |
| Pages / Font | 86 pages |
| Series Number | 5 |
| Other | 50/M/5 |
Added by Xavier.Rafael