tracks b1, b3 arranged by D'Arneill Pershing
tracks a4, b2, b5 arranged by Mario Patrón
tracks a1, a2, a3, b4 arranged by Tom Parker
tracks b lacquer cut by J.C. Ruiz
tracks a lacquer cut by R.V.G.
tracks b1, b3 producer Camilo Sesto
tracks all but b1, b3 producer José José
tracks b1, b3 written-by Camilo Blanes
tracks a3, b5 written-by José José
tracks a1, b4 written-by José María Napoleón
Made By Bertelsmann De Mexico, S.A.
Phonographic Copyright (p) Bertelsmann De Mexico, S.A.
(p) 1979 Bertelsmann de México, S.A.

Different vinyl labels from Si Me Dejas Ahora.
Matrix / Runout: LAN-165-A-MP.7 R.V.G. (Etched side A)
Matrix / Runout: LAN-165-B-MP-4 JC Ruiz (Etched side B)
Other: 82.431 (On both labels)