Παραπομπή APA

Heslop -Harrison, J. (1970). New concepts in flowering - plant taxonomy. Heinemann Educational Books.

Παραπομπή Chicago Style

Heslop -Harrison, J. New Concepts in Flowering - Plant Taxonomy. New Delhi: Heinemann Educational Books, 1970.

Παραπομπή MLA

Heslop -Harrison, J. New Concepts in Flowering - Plant Taxonomy. Heinemann Educational Books, 1970.