John I'm Only Dancing John I'm Only Dancing (RCA PD-11886)
US (1979)

A  John I'm Only Dancing (Again)
B  Golden Years

John I'm Only Dancing Label of RCA PD-11886.
John I'm Only Dancing John I'm Only Dancing (RCA JD-11886)
US (1979)

A  John I'm Only Dancing (Again)
B  Golden Years

Promo 12".

John I'm Only Dancing John I'm Only Dancing (RCA BOW 12 4)
UK (1979)

A  John I'm Only Dancing (Again)
B  John I'm Only Dancing (1972)

John I'm Only Dancing John I'm Only Dancing (RCA PC 9484)
France (1979)

A  John I'm Only Dancing (Again)
B  John I'm Only Dancing (1972)

On the sleeve, the A-side is called 'Disco Version' and the B-side 'New Wave Version'.