1. Arulseker S. & D.E.Parfitt, 1986. Isozyme analysis procedures for stone fruits, almonds, grape, walnut, pistachio, and fig. HortScience 21: 928–933.
2. Baker K.F. & J.L.Collins, 1939. Notes on the distribution and ecology of Ananas and Pseudananas in South America. Amer. J. Bot. 26: 697–702.
3. Bertoni M.S., 1919. Contributions à l'étude botanique des plantes cultivées. Part I: Essai d'une monographie du Genre Ananas. Annals Cient Paraguay, Series II 4: 250–322.
4. Cabot C.L., 1992. Origin, phylogeny and evolution of pineapple species. Fruits 47: 25–32.
5. Collins J.L., 1960. The pineapple, Botany, cultivation, and utilization. Leonard Hill, New York.