Cotter, G., & Haynes, T. (1998). Deep multicolour imaging of the field towards the quasar pair PC1643+463 AandB.
Lua i Stíl Chicago (17ú heag.)Cotter, G., agus T. Haynes. Deep Multicolour Imaging of the Field Towards the Quasar Pair PC1643+463 AandB. 1998.
Lua MLA (9ú heag.)Cotter, G., agus T. Haynes. Deep Multicolour Imaging of the Field Towards the Quasar Pair PC1643+463 AandB. 1998.
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