(1969). Permanence/Durability of the Book-VI. Spot Testing for Unstable Modern Book and Record Papers.
Citazione stile Chigago Style (17a edizione)Permanence/Durability of the Book-VI. Spot Testing for Unstable Modern Book and Record Papers. 1969.
Citatione MLA (9a ed.)Permanence/Durability of the Book-VI. Spot Testing for Unstable Modern Book and Record Papers. 1969.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.