Richards, A. (1955). Practical planting in the Territory of Papua and New Guinea (2nd rev. ed.). s.n.].
Lua i Stíl Chicago (17ú heag.)Richards, Albert. Practical Planting in the Territory of Papua and New Guinea. 2nd rev. ed. [s.l.: s.n.], 1955.
Lua MLA (9ú heag.)Richards, Albert. Practical Planting in the Territory of Papua and New Guinea. 2nd rev. ed. s.n.], 1955.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.