APA

Stafleu F. a., Mennega E. a., . (1993). Taxonomic literature : a selective guide to botanical publications with dates, commentaries and types : supplement 2, Be-Bo. Koenigstein: Koeltz Scientific Books; International Association for Plant Taxonomy.

Chicago

Stafleu Frans a, Mennega Erik a, . 1993. Taxonomic literature : a selective guide to botanical publications with dates, commentaries and types : supplement 2, Be-Bo. Koenigstein: Koeltz Scientific Books; International Association for Plant Taxonomy.

Harvard

Stafleu F. a., Mennega E. a., . (1993). Taxonomic literature : a selective guide to botanical publications with dates, commentaries and types : supplement 2, Be-Bo. Koenigstein: Koeltz Scientific Books; International Association for Plant Taxonomy.

MLA

Stafleu Frans a, Mennega Erik a, . Taxonomic literature : a selective guide to botanical publications with dates, commentaries and types : supplement 2, Be-Bo. Koenigstein: Koeltz Scientific Books; International Association for Plant Taxonomy. 1993.