#!/usr/bin/perl -w
use strict;
use Data::Dumper;
$Data::Dumper::Useqq = 1;
my $abc=['cde','bdef','dummy', " \n"];
print (Data::Dumper->Dump($abc) . "\n"); #this will work fine
print (Dumper($abc) . "\n"); #this will work fine
print (Data::Dumper->Dump(@$abc) . "\n"); # this will give usage error as I mentioned earlier.
1;

##</code><code>##

Output:
$VAR1 = "cde";
$VAR2 = "bdef";
$VAR3 = "dummy";
$VAR4 = " \n";

$VAR1 = [
          "cde",
          "bdef",
          "dummy",
          " \n"
        ];

Usage:  PACKAGE->new(ARRAYREF, [ARRAYREF]) at /tmp/ab123.pl line 8