The single was released as a 7" single, a limited edition box set 7" single, a 12" single, a cassette single and a cd-single.
See also this page in the discography.
There are three versions of 'I can't say goodbye': the album version, the 7" edit version and the 12" version.
Keyboards & programming: Ricky Wilde
Guitar: Steve Byrd
Bass Guitar: Deon Estus
String arrangement: Richard Niles
Backing vocals: Jaki Graham
Produced by Ricky Wilde
Engineered by Jimmy Jazz
Assisted by Stephen Streater
Mixed by Ricky Wilde and Jimmy Jazz
Highest chart positions
United Kingdom: 51 (3 weeks)