Gaya APA
Plant resources of south-east asia 15 : (2) cryptogams : ferns and fern allies. (2003).
Bogor:
Prosea Foundation.
Gaya MLA
Plant resources of south-east asia 15 : (2) cryptogams : ferns and fern allies.
Jil. 15 (2)..
Bogor:
Prosea Foundation,
2003.
Text.