Feit Electric 60-Watt Equivalent T3 Spiral Non-Dimmable GU24 Base CFL Compact Fluorescent Light Bulb, Daylight 5000K (2-Pack) BPESL13T/GU24D/2HDRP - The Home Depot
Feit Electric 13-Watt Equivalent PL Quad Tube CFLNI 4-Pin Plugin G24Q-1 Base CFL Replacement LED Light Bulb, Cool White 4100K (1-Bulb) BPPLD13E841LEDG2HDRP - The Home Depot
Potential Environmental Impacts from the Metals in Incandescent, Compact Fluorescent Lamp (CFL), and Light-Emitting Diode (LED) Bulbs | Environmental Science & Technology
Satco S7394 105 Watt (400 Watt) 7000 Lumens Hi-Pro Spiral CFL Soft White 2700K Mogul Base 120 Volt Light Bulb - Incandescent Bulbs - Amazon.com
LED vs. CFL Bulbs: Which Is More Energy-Efficient?
CFL (Compact Fluorescent) Bulb and Base Types
Incandescent vs CFL vs LED vs Halogen Light Bulbs - Elesi Blog