Παραπομπή σε μορφή APA (7η εκδ.)

Stebbing, E. (2023). The blue pine ‘Polygraphus’ bark-borer (Polygraphus Major, Steb.). Indian Forest Leaflet . Forest Research Institute.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Stebbing, E.P. The Blue Pine ‘Polygraphus’ Bark-borer (Polygraphus Major, Steb.). Indian Forest Leaflet . Forest Research Institute, 2023.

Παραπομπή σε μορφή MLA (9th εκδ.)

Stebbing, E.P. The Blue Pine ‘Polygraphus’ Bark-borer (Polygraphus Major, Steb.). Indian Forest Leaflet . Forest Research Institute, 2023.