This can be used for APA style references in LyX of not want to use the bib file.
The following procedure can be used to create a list of references for your own style.
Style List
Margin Static
LatexType Item_Environment
LatexName reflist
NextNoIndent 1
LeftMargin MMN
LabelSep xx
ItemSep 0.2
TopSep 0.7
BottomSep 0.7
ParSep 0.3
Align Block
AlignPossible Block, Left
LabelType Itemize
End
\newenvironment{reflist}{
\begin{list}{}{\leftmargin=1em \itemindent=-1em}
}{
\end{list}
}